Manufactured by CHG Bearing, the 452/800 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 800 mm bore diameter, a 1150 mm outer diameter, and a 258 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.
452/800 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 452/800 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 800 mm |
| Width (B) | 258 mm |
| Outer Diameter (D) | 1150 mm |
| Bore Diameter Tolerance | -0.045 – 0 mm |
| Outside Diameter Tolerance | -0.075 – 0 mm |
| Inner Ring Chamfer | 3.3 min mm |
| Outer Ring Chamfer | 6.4 min mm |
| Inner Ring Assembly Width Tolerance | N/A mm |
| Outer Ring Assembly Width | 220 mm |
| Outer Ring Assembly Width Tolerance | -0.381 – +0.381 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | 15 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 3210 kN |
| Basic Static Load Rating C0 (kN) | 7940 kN |
| Material | |
| Mass (kg) | 292 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 41 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
452/800 1150 mm 800 mm Frequently Asked Questions about 452/800 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 452/800 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Double Row Tapered Roller Bearings.
In its sealed configuration (Open Type), CHG Bearing pre-charges 452/800 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Engineered according to international ISO boundary plans, CHG Bearing supplies 452/800 with a precision bore diameter (d) of 800 mm, an outside diameter (D) of 1150 mm, and a nominal ring width (B) of 258 mm. This configuration yields an effective cross-sectional wall thickness of 175.0 mm and an envelope ratio (D/d) of 1.44, delivering compact rigidity for OEM machinery housings.
Yes, 100% of 452/800 Double Row Tapered Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
