Manufactured by CHG Bearing, the 3800/630/P5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 630 mm bore diameter, a 920 mm outer diameter, and a 515 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

3800/630/P5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 3800/630/P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 630 mm |
| Width (B) | 515 mm |
| Outer Diameter (D) | 920 mm |
| Bore Diameter Tolerance | -0.040 – 0 mm |
| Outside Diameter Tolerance | -0.060 – 0 mm |
| Inner Ring Chamfer | 6 min mm |
| Outer Ring Chamfer | 5 min mm |
| Inner Ring Assembly Width Tolerance | -1 – +1 mm |
| Outer Ring Assembly Width | 515 mm |
| Outer Ring Assembly Width Tolerance | -1 – +1 mm |
| Shaft Abutment Diameter | 669 mm |
| Housing Abutment Diameter | 858 mm |
| Lubrication Hole Diameter | 12 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 9975 kN |
| Basic Static Load Rating C0 (kN) | 20860 kN |
| Material | |
| Mass (kg) | 1158 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 30 mm |
3800/630/P5 920 mm 630 mm 515 mm Frequently Asked Questions about 3800/630/P5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 3800/630/P5 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
The CHG Bearing 3800/630/P5 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Every production batch of CHG Bearing 3800/630/P5 Four-Row Tapered Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
To safeguard CHG Bearing 3800/630/P5 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (630 mm x 920 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
