Yimi (Guangzhou) Automotive Parts Co, Ltd
| 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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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 | ||
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.
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.
Replace the bearing when any of these symptoms appear:
| Verification Item | Data / Standard | Source / Method |
|---|---|---|
| Part Number (Short) | 5-09812062-0 | Spanish Isuzu-Truckspares; fag-srd.com |
| Part Number (Long) | 5098120620 | 17vin.com; Thai Autopart-Masters |
| Bearing Model | 30309 / 30309D | 17vin.com; SKF; Koyo JTEKT |
| Bearing Type | Single-Row Tapered Roller Bearing | SKF 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 Weight | Approx. 0.99 kg | Fersa specification |
| Application Position | Rear Axle Pinion Bevel Gear, Large End Front | zhouchengku.com |
| Engine Compatibility | 4JB1 | Indonesian Isuzu-Truckspares; Thai Autopart-Masters |
| Cross-Reference OEM | 5098120621 / 1098120260 / 1098120270 / 9000936131 / 9000936010 / 5098120630 / 2402241-P301 | GoTrucky; 17vin.com; Yishan Auto Parts |
| Brand | BZLP / KOYO / NTN / Fersa, etc. | Italian Isuzu-Truckspares; amdstore.net |
| Certification | ISO/TS 16949 | Italian Isuzu-Truckspares |
| Warranty | 12 Months | Spanish Isuzu-Truckspares |
| Part Number: | 5-09812062-0 | Product Name: | Final Pinion Bearing |
| Car Model: | NPR NKR | Engine Model: | NPR NKR |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | Package: | Neutral Packing Or Make It As Requested |
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
| Brand | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| ISUZU | ELF | NKR55 | 4JB1 | 1986–2007 |
| ISUZU | ELF 250 | TLD54 | 4BA1 | 1970–1982 |
| ISUZU | NPR | NPR | 4JB1 / 4HE1 | 1986–2007 |
| ISUZU | NKR | NKR55 / NKR66 | 4JB1 / 4HF1 | 1986–2007 |
| ISUZU | 100P | — | 4JB1 | 1990s–2000s |
| ISUZU | 600P | — | 4JB1 | 1990s–2000s |
| ISUZU | NPR NKR 2.75T | — | 4JB1 | — |
| Engine Model | Displacement | Common Applications |
|---|---|---|
| 4JB1 | 2.8L | NKR55, NPR, 100P, 600P, NKR 2.75T |
| 4BA1 | 2.8L | ELF 250 (TLD54) |
| 4HE1 | 4.8L | NPR |
Company Details
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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