Manufactured by CHG Bearing, the 45T383210 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 190 mm bore diameter, a 320 mm outer diameter, and a 104 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.
45T383210 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 45T383210 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 190 mm |
| Width (B) | 104 mm |
| Outer Diameter (D) | 320 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.030 – 0 mm |
| Inner Ring Chamfer | 2 mm |
| Outer Ring Chamfer | 2.5 mm |
| Inner Ring Assembly Width Tolerance | -0.25 – 0 mm |
| Outer Ring Assembly Width | 53 mm |
| Outer Ring Assembly Width Tolerance | -0.3 – 0 mm |
| Shaft Abutment Diameter | 159 mm |
| Housing Abutment Diameter | 200 mm |
| Lubrication Hole Diameter | 5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 311 kN |
| Basic Static Load Rating C0 (kN) | 564 kN |
| Material | |
| Mass (kg) | 6.45 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 10 mm |
| Roller Material | Bearing Steel |
45T383210 320 mm 190 mm Frequently Asked Questions about 45T383210 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 45T383210 Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 45T383210, FAG 45T383210, NSK 45T383210. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
To ensure optimum performance of CHG Bearing 45T383210 Double Row Tapered Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 190 mm bore. For the 320 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Model 45T383210 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 190 mm) and steep thermal gradients between inner and outer rings.
Each 45T383210 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (190 mm bore side) ensures perfect planar contact without edge binding.
