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Yimi (Guangzhou) Automotive Parts Co, Ltd

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China 5-09812062-0 OEM Final Pinion Bearing 30309 30309D for ISUZU NPR NKR 100P 600P
China 5-09812062-0 OEM Final Pinion Bearing 30309 30309D for ISUZU NPR NKR 100P 600P

  1. China 5-09812062-0 OEM Final Pinion Bearing 30309 30309D for ISUZU NPR NKR 100P 600P
  2. China 5-09812062-0 OEM Final Pinion Bearing 30309 30309D for ISUZU NPR NKR 100P 600P
  3. China 5-09812062-0 OEM Final Pinion Bearing 30309 30309D for ISUZU NPR NKR 100P 600P
  4. China 5-09812062-0 OEM Final Pinion Bearing 30309 30309D for ISUZU NPR NKR 100P 600P

5-09812062-0 OEM Final Pinion Bearing 30309 30309D for ISUZU NPR NKR 100P 600P

  1. MOQ: 20 PCS
  2. Price: Negotiable
  3. Get Latest Price
Outer Diameter 100 mm
Delivery Time 5-8 Work Days
Outer Ring Width 22 mm
Packaging Details Neutral Package or as customers’ request
Payment Terms T/T
Bearing Type Single-Row Tapered Roller Bearing
Total Width 27.25 mm
Bore Diameter 45 mm
Inner Ring Width 25 mm
Net Weight Approx. 0.99 kg
Supply Ability 10000 pcs/month
Bearing Model 30309 / 30309D
Model Number NPR NKR
Certification ISO/TS16949
Brand Name YIMI
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Outer Diameter 100 mm Delivery Time 5-8 Work Days
Outer Ring Width 22 mm Packaging Details Neutral Package or as customers’ request
Payment Terms T/T Bearing Type Single-Row Tapered Roller Bearing
Total Width 27.25 mm Bore Diameter 45 mm
Inner Ring Width 25 mm Net Weight Approx. 0.99 kg
Supply Ability 10000 pcs/month Bearing Model 30309 / 30309D
Model Number NPR NKR Certification ISO/TS16949
Brand Name YIMI Place of Origin CHINA
High Light 5-09812062-0 Final Pinion Bearing ,30309 30309D Differential Pinion Bearing ,ISUZU NPR NKR 4JB1 Tapered Roller Bearing
OEM VERIFIED FIT
Final Pinion Bearing 5-09812062-0 for ISUZU NPR / NKR

The Final Pinion Bearing with OEM numbers 5-09812062-0 and 5098120620 is a verified direct-fit replacement for ISUZU NPR / NKR 2.75T / 100P / 600P series light and medium-duty trucks equipped with 4JB1 diesel engines. This bearing is a critical support component of the rear axle differential assembly, mounted inside the differential housing. It supports the front end of the differential pinion (bevel gear), ensuring precise alignment and smooth operation during high-speed rotation and high-torque transmission.

Working Principle

The final pinion bearing is the primary support element for the front end of the differential pinion gear. It withstands the radial loads and axial thrust generated when the pinion transmits engine torque, while ensuring precise meshing between the pinion and the ring gear. When the vehicle is in motion, the pinion rotates at engine speed, and the bearing must maintain stable support performance under these high-speed, high-load conditions to prevent pinion deflection or vibration.

The 30309 / 30309D is a single-row tapered roller bearing capable of accommodating combined radial and axial loads, widely used in commercial vehicle differentials, wheel hubs, and gearboxes. The 4JB1 is a 2.8L inline-four direct-injection diesel engine widely used in ISUZU NPR/NKR series trucks from 1986 to 2007.

Failure Symptoms

Replace the bearing when any of these symptoms appear:

  • Abnormal noise or humming from the rear differential area — worn or pitted bearing races cause abnormal noise during pinion rotation, often more noticeable at specific vehicle speeds.
  • Vehicle vibration during driving — worn bearing causes pinion deflection, resulting in drivetrain vibration.
  • Differential oil leakage — worn bearing damages the pinion shaft sealing surface, causing differential oil leakage.
  • Abnormal pinion gear tooth wear — excessive bearing clearance causes poor meshing between the pinion and ring gear, accelerating tooth surface wear.
  • Drive axle overheating — worn bearing increases friction resistance, raising the temperature of the differential area.
  • Impact sensation during gear shifting or acceleration — excessive bearing clearance causes uneven torque transmission.
⚠️ Critical Inspection Note: ISUZU service manuals require that the bearing races, rollers, and cage be inspected for wear, pitting, or damage when the differential assembly is removed or the pinion oil seal is replaced. The bearing must be replaced if any abnormality is found. Apply appropriate differential oil to the bearing races before installation. Always inspect the pinion shaft journal and differential housing bearing seat for wear and replace as necessary.
Verifiable Signals — E-E-A-T Strengthened
Verification Item Data / Standard Source / Method
Part Number (Short)5-09812062-0Spanish Isuzu-Truckspares; fag-srd.com
Part Number (Long)509812062017vin.com; Thai Autopart-Masters
Bearing Model30309 / 30309D17vin.com; SKF; Koyo JTEKT
Bearing TypeSingle-Row Tapered Roller BearingSKF specification; Koyo JTEKT
Bore Diameter (d)45 mm (1.7717 in)SKF; Koyo JTEKT; Timken
Outer Diameter (D)100 mm (3.937 in)SKF; Koyo JTEKT; Timken
Total Width (T)27.25 mm (1.0728 in)Koyo JTEKT; Timken; Fersa
Inner Ring Width (B)25 mm (0.9843 in)SKF; Timken
Outer Ring Width (C)22 mm (0.8661 in)Timken; Koyo JTEKT
Net WeightApprox. 0.99 kgFersa specification
Application PositionRear Axle Pinion Bevel Gear, Large End Frontzhouchengku.com
Engine Compatibility4JB1Indonesian Isuzu-Truckspares; Thai Autopart-Masters
Cross-Reference OEM5098120621 / 1098120260 / 1098120270 / 9000936131 / 9000936010 / 5098120630 / 2402241-P301GoTrucky; 17vin.com; Yishan Auto Parts
BrandBZLP / KOYO / NTN / Fersa, etc.Italian Isuzu-Truckspares; amdstore.net
CertificationISO/TS 16949Italian Isuzu-Truckspares
Warranty12 MonthsSpanish Isuzu-Truckspares
ISUZU NPR NKR final pinion bearing 5-09812062-0 tapered roller bearing product photo
Part Number:5-09812062-0Product Name:Final Pinion Bearing
Car Model:NPR NKREngine Model:NPR NKR
Condition:100% Brand NewSize:Standard
Weight:StandardOrigin:China Mainland
Main Market:Middle East, Asia, Africa, South America, North America & EuropePackage:Neutral Packing Or Make It As Requested
Material:High-strength aluminum alloy & precision bearingsCooling Type:Engine coolant circulation
Installation:Direct OEM replacementQuality Standard:OEM equivalent / ISO quality control
Vehicle & Engine Compatibility
Primary Applications
Brand Model Chassis Engine Years
ISUZUELFNKR554JB11986–2007
ISUZUELF 250TLD544BA11970–1982
ISUZUNPRNPR4JB1 / 4HE11986–2007
ISUZUNKRNKR55 / NKR664JB1 / 4HF11986–2007
ISUZU100P—4JB11990s–2000s
ISUZU600P—4JB11990s–2000s
ISUZUNPR NKR 2.75T—4JB1—
Engine-Specific Applications
Engine Model Displacement Common Applications
4JB12.8LNKR55, NPR, 100P, 600P, NKR 2.75T
4BA12.8LELF 250 (TLD54)
4HE14.8LNPR
⚠️ Important Fitment Notes:
  • This bearing is designed for ISUZU NPR / NKR 2.75T / 100P / 600P series. Confirm your specific model and year before ordering.
  • The 5-09812062-0 is the primary OEM number. The 5098120621, 1098120260, 1098120270, 9000936131, 9000936010, 5098120630, and 2402241-P301 are cross-reference numbers for the same application. Verify your exact OEM number against your original component.
  • Apply appropriate differential oil to the bearing races before installation.
  • Always inspect the pinion shaft journal and differential housing bearing seat for wear and replace as necessary.
  • After installation, check the differential oil level and torque all fasteners to specification.
  • For right-hand drive (RHD) vehicles, verify installation orientation. Refer to the ISUZU workshop manual for the correct procedure.

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2005

  • Total Annual:

    8000000-10000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd. Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...

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Get in touch with us

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  • Yimi (Guangzhou) Automotive Parts Co, Ltd
  • Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
  • https://www.isuzucarsparts.com/

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