Manufactured by CHG Bearing, the 45T908230U is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 450 mm bore diameter, a 820 mm outer diameter, and a 300 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.
45T908230U - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 45T908230U |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 450 mm |
| Width (B) | 300 mm |
| Outer Diameter (D) | 820 mm |
| Bore Diameter Tolerance | -0.045 – 0 mm |
| Outside Diameter Tolerance | -0.075 – 0 mm |
| Inner Ring Chamfer | 6 mm |
| Outer Ring Chamfer | 6 mm |
| Inner Ring Assembly Width Tolerance | -0.45 – 0 mm |
| Outer Ring Assembly Width | 157 mm |
| Outer Ring Assembly Width Tolerance | -0.50 – 0 mm |
| Shaft Abutment Diameter | 500 mm |
| Housing Abutment Diameter | 622 mm |
| Lubrication Hole Diameter | 9 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2750 kN |
| Basic Static Load Rating C0 (kN) | 5500 kN |
| Material | |
| Mass (kg) | 182 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 20 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
45T908230U 820 mm 450 mm Frequently Asked Questions about 45T908230U Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 45T908230U Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 45T908230U, FAG 45T908230U, NSK 45T908230U. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Engineered according to international ISO boundary plans, CHG Bearing supplies 45T908230U with a precision bore diameter (d) of 450 mm, an outside diameter (D) of 820 mm, and a nominal ring width (B) of 300 mm. This configuration yields an effective cross-sectional wall thickness of 185.0 mm and an envelope ratio (D/d) of 1.82, delivering compact rigidity for OEM machinery housings.
To safeguard CHG Bearing 45T908230U against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (450 mm x 820 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 45T908230U, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
