Automechanika Shanghai · Dec 2–5 · Booth 8.1M104

Product line · Timing & accessory drives

Belt Tensioners & Idlers

OEM-grade tensioner & idler pulley bearings — supplying assembly plants and aftermarket worldwide.

  • 104 detailed models
  • 49 catalog models
  • Tensioners · idlers · pulley bearings
  • OE · SKF · INA · Gates · Dayco cross-ref
OTT tensioner and idler pulley bearing assortment
MOQ
1000 pcs / model
Lead time
30-45 days
Shipping
FOB Ningbo / Shanghai
Response
Reply within 12 hours

Searches OTT part numbers, OE numbers and SKF / FAG / KOYO / NTN / NSK / SNR cross-references.

Detailed models

Tensioners & idlers with full specifications — 104 models

Open a model for dimensions, base bearing, OE and aftermarket cross-references and engine applications.

104 models

VKM74200

VKM74200 Timing Belt Tensioner Pulley

Size
d 9 mm · D 52 mm (inner 32.3 mm) · B 25 mm
Cross-ref
OE Mazda B630-12-700EGMB GT20040
Fits
Engine timing belt systems

VKM13100

VKM13100 Timing Belt Tensioner

Size
d 13.2 mm · D 59 mm (inner 31.4 mm) · B 22 mm
Cross-ref
OE PSA 0829.29; PSA 0829.54SKF VKM 13100
Fits
Selected Citroën AX, C15, Saxo, BX, ZX and Berlingo; selected Peugeot 106, 205, 306, 309 and Partner. Confirm engine and OE number.

830900AE1

830900AE1 Timing Belt Tensioner Pulley

Size
OD Ø63.5 × H32.5 mm; bore Ø10.3 mm
Cross-ref
OE AvtoVAZ 2112-1006120
Fits
Lada/VAZ 2110–2112, selected 16-valve engines

830900AE2

830900AE2 Timing Belt Tensioner Pulley

Size
OD Ø63.5 × H27 mm; bore Ø10.3 mm
Cross-ref
OE AvtoVAZ 2108-1006120
Fits
Lada/VAZ 2108 family, selected 8-valve engines

9158004

9158004 Timing Belt Tensioner Assembly

Cross-ref
SKF VKM15202INA 531005430Gates T43040
Fits
Chevrolet Astra / Vectra / Zafira, selected 2.0 16V applications

25204526

25204526 Timing Belt Idler Pulley for Chevrolet Onix 1.0

Size
bore Ø8.1 × H16 mm; OD Ø28.5 × H29 mm
Cross-ref
GM 55486826 (verify by VIN)OE GM 25204526
Fits
Onix / Onix Plus, selected 1.0 L three-cylinder timing-belt applications (2020 onward; confirm by VIN and original part number)

25205813

25205813 Timing Belt Tensioner Assembly

Cross-ref
ACDelco 25205813OE GM 25205813
Fits
Chevrolet Trailblazer (2021–2026); Chevrolet Trax (2024–2026), selected applications

55497888

55497888 Accessory Belt Tensioner

Cross-ref
BTP CA11741OE GM 55497888
Fits
Chevrolet Onix 1.0 / 1.2 (2020–2024); Chevrolet Tracker 1.2 (2020–2024), selected applications

55567191

55567191 Timing Belt Tensioner Assembly

Cross-ref
SNR GT353.17RIDEX 308T0071OE GM 55567191
Fits
Chevrolet Lacetti / Nubira, selected petrol applications

F3914

F3914 Belt Idler Pulley for EF7 Engines

Size
Running OD 60 mm; flange OD 70 mm; pulley width 31.5 mm; overall height 46.5 mm; bore 8.3 mm
Fits
EF7 engine applications in Iran (manufacturer-confirmed)

GT30010

GT30010 Timing Belt Tensioner Pulley

Size
OD Ø42 × H28 mm; 9 mm oblong hole (catalog notation)
Cross-ref
GMB GT30010INA 531011220SKF VKM76102
Fits
Daewoo Matiz 0.8 / 1.0; Daewoo Tico 0.8, selected applications

VKM13253

VKM13253 Timing Belt Tensioner Pulley

Size
Pulley OD 60 mm; pulley width 25 mm; mounting height 34.5 mm; mounting bore 8.1 mm
Cross-ref
SKF VKM13253INA 531057210Gates T43023
Fits
Peugeot 206 Type 2 (Iran catalogue); Peugeot 206 / 207 and Citroën C3, selected 1.4 applications

VKM13256

VKM13256 Timing Belt Tensioner Pulley

Size
OD Ø70 × H30 mm; bore Ø8.3 mm
Cross-ref
SKF VKM13256INA 531063210Gates T43159
Fits
Peugeot 206 / 307; Citroën C3, selected 1.6 petrol applications

830700

830700 Belt Pulley for Lada Applications

Size
OD 63.5 mm; overall width 32.5 mm; internal channel width 26.5 mm; mounting bore 10.2 mm
Fits
Lada automotive belt-drive applications, Russia (manufacturer-confirmed)

20851842

20851842 Commercial Vehicle Belt Guide Pulley

Cross-ref
OE Reference 20851842Cross Reference DAYCO APV2401
Fits
Accessory drive / multi-rib belt guide pulley

000.550.0733

000.550.0733 Commercial Vehicle Belt Guide Pulley

Cross-ref
OE Reference 000.550.0733; 0005500733; A0005500733Cross Reference NYTRON 1218; DAYCO APV2938
Fits
Accessory drive / multi-rib belt guide pulley

2T0903165

2T0903165 Commercial Vehicle Belt Guide Pulley

Cross-ref
OE Reference 2T0903165; 2T0903119; Cummins 3971876Cross Reference POLITENS 709
Fits
Accessory drive / multi-rib belt guide pulley

07W145279B

07W145279B Commercial Vehicle Belt Guide Pulley

Cross-ref
OE Reference 07W145279BCross Reference POLITENS 693
Fits
Accessory drive / multi-rib belt guide pulley

6007D66H29

6007D66H29 Tensioner Idler Pulley Bearing

Size
OD Φ35×Φ66 / ID 14 × OD 29
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6007D67H33

6007D67H33 Tensioner Idler Pulley Bearing

Size
OD Φ35×Φ67 / ID 14 × OD 33
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6008H19

6008H19 Tensioner Idler Pulley Bearing

Size
Φ40×Φ70 / ID 15 × OD 19
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

24810-23400

24810-23400 Tensioner Idler Pulley Bearing

Size
Φ60×28.5 / Φ10.3
Cross-ref
OE Hyundai 24810-23400Gates T42015Dayco ATB2436
Fits
Selected Hyundai Elantra (XD) 2.0, G4GC or G4GC-G. Match the original part number before ordering.

24410-23400

24410-23400 Timing Belt Tensioner Pulley

Size
Φ70×39.5 / Φ10.3
Cross-ref
OE Hyundai 24410-23400Gates T41041Dayco ATB2458
Fits
Selected Hyundai Elantra (XD) 2.0, G4GC or G4GC-G. Match the original part number before ordering.

MD182537

MD182537 Timing Belt Tensioner Pulley

Size
Φ60×33 / Φ10.3
Cross-ref
OE Mitsubishi MD182537Gates T41054Dayco ATB2339
Fits
Selected Mitsubishi Eclipse, Expo / Expo LRV, Galant and Outlander applications. Match the original part number before ordering.

MD156604

MD156604 Timing Belt Idler Pulley

Size
Φ60×39.5 / Φ10.3
Cross-ref
OE Mitsubishi MD156604Gates T42017Dayco ATB2011
Fits
Selected Mitsubishi Outlander, Galant, Eclipse and Lancer applications. Match the original part number before ordering.

MD352473

MD352473 Balance Shaft Belt Tensioner Pulley

Size
Φ55×22.5 / Φ8.5
Cross-ref
OE Mitsubishi MD352473Gates T41038Dayco ATB2102
Fits
2006 Mitsubishi Outlander LS 2.4L and 2001 Mitsubishi Galant DE 2.4L (selected catalog applications). Match the original part number before ordering.

GT30010

GT30010 Timing Belt Tensioner Pulley

Size
Φ42×28 / 9 mm slotted hole
Fits
Automotive belt drive — timing belt tensioner pulley — verify by vehicle OE number before ordering.

VKM13253

VKM13253 Timing Belt Tensioner Pulley

Size
Φ60×29.5 / Φ8.3
Fits
Automotive belt drive — timing belt tensioner pulley — verify by vehicle OE number before ordering.

VKM13256

VKM13256 Timing Belt Tensioner Pulley

Size
Φ70×30 / Φ8.3
Fits
Automotive belt drive — timing belt tensioner pulley — verify by vehicle OE number before ordering.

830700

830700 Tensioner Idler Pulley Bearing

Size
Φ63.5×32.5 / Φ10.3
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

830900AE1

830900AE1 Tensioner Idler Pulley Bearing

Size
Φ63.5×32.5 / Φ10.3
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

830900AE2

830900AE2 Tensioner Idler Pulley Bearing

Size
Φ63.5×27 / Φ10.3
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

830900AKE

830900AKE Tensioner Idler Pulley Bearing

Size
Φ60×24 / Φ10.3
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

25286-3C250

25286-3C250 Idler Pulley

Size
Φ70×27 / Φ10.2
Cross-ref
OE Hyundai 25286-3C250Gates T36325Dayco APV3017
Fits
Selected Hyundai Santa Fe, Sonata, Genesis and Genesis Coupe applications. Match the original part number before ordering.

23129-24000

23129-24000 Belt Pulley

Size
Φ78.5×16.5 / Φ12
Fits
Automotive belt drive — belt pulley — verify by vehicle OE number before ordering.

D42H26-29.2

D42H26-29.2 Tensioner Idler Pulley Bearing

Size
OD Φ42×26 / ID Φ10.2×29.2
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6203H16-10.2

6203H16-10.2 Tensioner Idler Pulley Bearing

Size
OD Φ44×16 / ID Φ10.2×16
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

D42H28.5-30.2

D42H28.5-30.2 Tensioner Idler Pulley Bearing

Size
ID Φ10.2×H30.2 / OD Φ42×H28.5
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

D52H18-12.2

D52H18-12.2 Tensioner Idler Pulley Bearing

Size
ID Φ12.2×H21 / OD Φ52×H18
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6006D60H23

6006D60H23 Tensioner Idler Pulley Bearing

Size
ID Φ30×H13 / OD Φ60×H23
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6006H23

6006H23 Tensioner Idler Pulley Bearing

Size
ID Φ30 / OD Φ55 / H23
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

25204526

25204526 Tensioner Idler Pulley Bearing

Size
ID Φ8.1×H16 / OD Φ28.5×H29
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6006D59H28.3

6006D59H28.3 Pulley Bearing

Size
ID Φ30×H13 / OD Φ59×H28.3
Fits
OTT catalogue lists an EF7 engine application. Confirm the pulley configuration.

D50H26-10.1

D50H26-10.1 Tensioner Idler Pulley Bearing

Size
ID Φ10.1×H32 / OD Φ50×H26
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6006H23-10.2

6006H23-10.2 Tensioner Idler Pulley Bearing

Size
ID Φ10.2×H34 / OD Φ55×H23
Fits
Truck pulley bearing reference in the OTT catalogue; verify mounting bore and ring dimensions.

TKN6006

TKN6006 Tensioner Idler Pulley Bearing

Size
ID Φ30 / OD Φ55 / H13
Fits
Pulley bearing; OTT catalogue associates it with VKM13253 and VKM13256 pulley assemblies.

13505-15041

13505-15041 Timing Belt Tensioner Pulley

Cross-ref
OE Toyota 13505-15041Gates T41066Dayco ATB2105
Fits
Selected Toyota Corolla, Tercel and Celica applications. Match the original part number before ordering.

13503-64020

13503-64020 Timing Belt Idler Pulley

Cross-ref
OE Toyota 13503-64020Gates T42027Dayco ATB2093
Fits
Verify by original part number before ordering.

16603-31040

16603-31040 Belt Idler Pulley

Cross-ref
OE Toyota 16603-31040Gates 36174 / T36174Dayco 89169 / APV3398
Fits
Selected Toyota 4Runner, FJ Cruiser, Tacoma and Tundra applications. Match the original part number before ordering.

16630-97402

16630-97402 Belt Pulley

Cross-ref
OE Daihatsu 16630-97402Gates T36751SKF VKM 67001
Fits
Selected Daihatsu Terios (J1) 1.3, Oct 2000–Oct 2005. Match the original part number before ordering.

23129-4F100

23129-4F100 Accessory Drive Belt Pulley

Cross-ref
OE Hyundai 23129-4F100GMB GTA0750
Fits
Selected Hyundai Porter II / H-100 A/C belt applications. Match the original part number before ordering.

24840-3E500

24840-3E500 Timing Belt Pulley

Cross-ref
OE Hyundai 24840-3E500Gates T41309Dayco ATB2629
Fits
Selected Hyundai Grandeur and Santa Fe and Kia Carnival / Grand Carnival applications. Match the original part number before ordering.

25286-3CKA1

25286-3CKA1 Belt Idler Pulley

Cross-ref
OE Hyundai / Genesis 25286-3CKA1
Fits
Selected Hyundai Genesis and Genesis G70, G80, G90, GV70 and GV80 applications. Match the original part number before ordering.

25286-3N350

25286-3N350 Belt Idler Pulley

Cross-ref
OE Kia 25286-3N350
Fits
Selected 2022–2026 Kia Carnival applications. Match the original part number before ordering.

88440-26090

88440-26090 Belt Idler Pulley Assembly

Cross-ref
OE Toyota 88440-26090
Fits
Selected 1992–1997 Toyota Land Cruiser FJ80/FZJ80, 3FE or 1FZ-FE. Match the original part number before ordering.

90500229

90500229 Belt Tensioner Assembly

Cross-ref
OE GM 90500229Gates T38154Dayco APV2303
Fits
Selected Chevrolet Captiva 2.4 and Epica 2.0 applications. Match the original part number before ordering.

AL3Z-8678-A

AL3Z-8678-A Accessory Drive Belt Idler Pulley

Cross-ref
OE Ford AL3Z-8678-AGates 36491Continental 50037
Fits
Ford Performance M-8600-M50ALTA and M-8600-M50ALTC alternator kits for Mustang 5.0L. Match the original part number before ordering.

GT80990

GT80990 Timing Belt Tensioner Pulley

Cross-ref
OE Mitsubishi MD329976Gates T41211Dayco ATB2347
Fits
Verify by original part number before ordering.

GT20040

GT20040 Timing Belt Tensioner Pulley

Size
Mounting slot width: 9 mm; outside diameter: 52 mm; inner ring height: 32.3 mm; outer ring height: 25 mm
Cross-ref
OE Mazda B630-12-700EGMB GT20040
Fits
Selected Mazda 323 / Protegé applications with OE B630-12-700E; selected Kia Pride DA and Mazda 121 DA/DB per GMB application guide.

6006 2RS

6006 2RS Deep Groove Ball Bearing

Size
30 × 55 × 13 mm
Cross-ref
WAI 6-106-4
Fits
Verify by original part number before ordering.

6006C26-1 2RS

6006C26-1 2RS Belt Pulley Bearing Insert

Size
30 mm bore × 55.6 mm OD; inner ring 13 mm, outer ring 26 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6006D57H24 2RS

6006D57H24 2RS Belt Pulley Bearing Insert

Size
30 mm bore × 57 mm OD; inner ring 13 mm, outer ring 24 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6006H19 2RS

6006H19 2RS Belt Pulley Bearing Insert

Size
30 mm bore × 59 mm OD; inner ring 13 mm, outer ring 19 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6006H22 2RS

6006H22 2RS Belt Pulley Bearing Insert

Size
30 mm bore × 59 mm OD; inner ring 13 mm, outer ring 22 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6006H26 2RS

6006H26 2RS Belt Pulley Bearing Insert

Size
30 mm bore × 59 mm OD; inner ring 13 mm, outer ring 26 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6203H14 2RS

6203H14 2RS Belt Pulley Bearing Insert

Size
17 × 40 × 14 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

DH37-26

DH37-26 Belt Pulley Bearing Insert

Size
10.2 mm bore × 37 mm OD; inner ring 26 mm, outer ring 24 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

DH37-26A

DH37-26A Belt Pulley Bearing Insert

Size
10.2 mm bore × 37 mm OD; inner ring 26 mm, outer ring 24 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

DH37-26B

DH37-26B Belt Pulley Bearing Insert

Size
10.2 mm bore × 37 mm OD; inner ring 26 mm, outer ring 24 mm
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

KN6005-2RS

KN6005-2RS Belt Pulley Bearing Insert

Size
25 × 47 × 12 mm
Fits
Bearing insert for injection-molded belt pulleys

DH37-26C

DH37-26C Belt Pulley Bearing Insert

Size
Bore: 8.1 mm; outside diameter: 37 mm; inner ring height: 26 mm; outer ring height: 24 mm; counterbore: 15 mm diameter × 5.5 mm deep
Fits
Bearing insert for automotive belt pulley and tensioner assemblies

6007V28.5

6007V28.5 Tensioner Idler Pulley Bearing

Size
OD Φ35×Φ62 / ID 14 × OD 28.5
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6008

6008 Tensioner Idler Pulley Bearing

Size
Φ40×Φ68×15
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6008H19 (chain + sprocket)

6008H19 (chain + sprocket) Tensioner Idler Pulley Bearing

Size
Φ70×19 / slotted hole 10.2×22
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6008D80H20.5

6008D80H20.5 Tensioner Idler Pulley Bearing

Size
Φ40×Φ80 / ID 15 × OD 20.5
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6010D88H19

6010D88H19 Tensioner Idler Pulley Bearing

Size
Φ50×Φ88×19
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6010D88/49160-81A00

6010D88/49160-81A00 Tensioner Idler Pulley Bearing

Size
Φ88×19
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

24410-2X701

24410-2X701 Timing Belt Tensioner Pulley

Size
Φ52×25 / Φ31.5
Fits
Automotive belt drive — timing belt tensioner pulley — verify by vehicle OE number before ordering.

MD115976

MD115976 Timing Belt Tensioner Pulley

Size
Φ55×24 / Φ8.3
Fits
Automotive belt drive — timing belt tensioner pulley — verify by vehicle OE number before ordering.

6005H17-8.2

6005H17-8.2 Tensioner Idler Pulley Bearing

Size
Φ47×17 / Φ8.2
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

24410-23050 / 24410-23500

24410-23050 / 24410-23500 Tensioner Idler Pulley Bearing

Size
Φ70×31.7 / Φ8.3
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

VKMEF7

VKMEF7 Timing Belt Tensioner Pulley

Size
Φ59×28.5 / Φ8.3
Cross-ref
Cross Reference F-553676.02
Fits
Automotive belt drive — timing belt tensioner pulley — verify by vehicle OE number before ordering.

VKMEF7/B

VKMEF7/B Tensioner Idler Pulley Bearing

Size
Φ75×26.5 / Φ17
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

F3914

F3914 Tensioner Idler Pulley Bearing

Size
Φ60×32 / Φ8.3
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6301 + steel pulley

6301 + steel pulley Tensioner Idler Pulley Bearing

Size
Φ84×25 / Φ12
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6004-10.5

6004-10.5 Tensioner Idler Pulley Bearing

Size
Φ42×12 / Φ10.5×20.5
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6006 structure

6006 structure Tensioner Idler Pulley Bearing

Size
Φ55×13 / Φ10.5(15.1)×25.5
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

96413864

96413864 Timing Belt Idler Pulley

Size
ID Φ8.2 / OD Φ50×H17
Fits
Automotive belt drive — timing belt idler pulley — verify by vehicle OE number before ordering.

6006D62H28.5

6006D62H28.5 Tensioner Idler Pulley Bearing

Size
Φ62×28.5 / Φ8.2
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6228D60H28.5

6228D60H28.5 Tensioner Idler Pulley Bearing

Size
Φ60×28.5 / Φ10.2
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

6203H40

6203H40 Tensioner Idler Pulley Bearing

Size
ID Φ8.3×H40 / OD Φ40×H14
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

DH37-26QL

DH37-26QL Tensioner Idler Pulley Bearing

Size
ID Φ15.2×H26 / OD Φ37×H24
Fits
Automotive timing belt tensioner and accessory drive idler pulley — verify by vehicle OE number before ordering.

About this product line

About Belt Tensioners & Idlers

OTT is a leading tensioner bearing manufacturer in China, supplying precision inner bearings to tensioner pulley assemblers and aftermarket distributors worldwide. Having passed over 500 hours of life testing, OTT tensioner bearings match the quality of imported brands like INA, SKF, and Gates. Our bearings are used inside complete tensioner pulley assemblies for Mercedes-Benz, Fiat, Renault, Peugeot, Toyota, Ford, and 30+ other vehicle brands.

Applications

  • Automotive engines
  • Truck engines
  • Timing belt systems
  • Serpentine belt systems
  • Tensioner pulley assembly plants
  • Aftermarket distributors
  • OEM Tier-2 supply

Key features

  1. 01High-speed rated: 800-1000 RPM
  2. 02Operating temperature: -20°C to 130°C
  3. 03Glass-fiber reinforced plastic housing option
  4. 04Double/triple lip seal for grease retention
  5. 05Vibration dampening design
  6. 06Passed 500+ hour life test — import replacement grade
  7. 07Available as bare bearings or simple idler pulleys (bearing + housing)
  8. 08Cross-reference to INA, SKF, Gates, Dayco, Koyo OEM numbers
OTT tensioner and idler pulley bearing range
OTT tensioner and idler pulley bearing range

Business terms

Factory-direct supply, clear terms.

MOQ
1000 pcs
Samples
Sample available upon request
Lead time
30-45 days for standard orders
Payment
T/T 30% deposit, 70% before shipment; L/C at sight
Shipping
FOB Ningbo / Shanghai
Customization
OEM branding, custom specs, packaging customizable
Request a Quote

Quality system

Certified to the automotive industry's own standard.

OTT Bearing IATF 16949:2016 certificateOTT Bearing ISO 14001:2015 certificate
  • IATF 16949:2016
  • ISO 14001:2015
  • ISO 45001:2018
  • RoHS
  • REACH

Reply within 12 hours

Including weekends

FAQ

Frequently asked questions

Not answered here? Ask an OTT engineer — we reply within 12 hours.

What is the role of a tensioner bearing in a car engine?

Tensioner bearings maintain constant belt tension in the accessory drive system, which includes the alternator, water pump, A/C compressor, and power steering pump. Proper tension prevents belt slipping, reduces vibration, and extends belt life.

How do OTT tensioner bearings handle high engine temperatures?

OTT tensioner bearings use glass-fiber reinforced housing materials that maintain dimensional stability up to 130°C. The sealed design retains high-temperature grease, and our precision manufacturing ensures consistent performance under thermal cycling.

Can OTT supply bare tensioner bearings for pulley assembly plants?

Yes. OTT supplies bare inner bearings (6202, 6203, 6006, 6007, 6008 series and custom sizes) to tensioner pulley assembly plants worldwide. We currently supply assemblers in Turkey, Brazil, Russia, and the Middle East. MOQ is 1,000 pcs per model.

How do OTT tensioner bearings compare to INA, SKF, or Koyo?

OTT tensioner bearings are manufactured to the same dimensional and tolerance standards as INA (Schaeffler), SKF, and Koyo. Our bearings have passed 500+ hours of continuous life testing, reaching import-replacement quality grade.

What tensioner bearing models does OTT offer for Mercedes-Benz vehicles?

OTT offers a complete range of tensioner bearings for Mercedes-Benz applications, including timing belt tensioners and serpentine belt idlers. Models are cross-referenced to INA and SKF part numbers. Contact us with your Mercedes OEM part number for exact cross-reference.

Request for quotation

Send us a part number. Get an engineer’s answer.

Share an OE or competitor number, a drawing or target dimensions and your annual volume. Samples available for qualified projects.

MOQ
1000 pcs / model
Lead time
30-45 days for standard orders
Shipping
FOB Ningbo / Shanghai
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