| Part Number |
1P3958 / 1P-3958 |
| Application |
CAT 3508B Diesel Engine |
| Material |
High-carbon chromium steel (SAE 52100 equivalent) |
| Type |
Needle roller bearing |
| Dimensions |
Custom OEM specifications (exact sizes vary by engine configuration) |
| Load Capacity |
Dynamic: 12.5 kN, Static: 8.3 kN (typical for this bearing type) |
| Heat Treatment |
Case hardened to 60-64 HRC |
| Surface Finish |
Ground and polished raceways |
| Operating Temperature |
-30＜C to +120＜C |
| Lubrication |
Pre-lubricated with high-temperature grease |
| MOQ |
12 pieces |
| Warranty |
12 months |
| Certification |
ISO 9001, Caterpillar OEM standards |
| Package |
Customized anti-rust packaging |
