Manufactured by CHG Bearing, the 45T573809B is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 285 mm bore diameter, a 380 mm outer diameter, and a 92 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.
45T573809B - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 45T573809B |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 285 mm |
| Width (B) | 92 mm |
| Outer Diameter (D) | 380 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.035 – 0 mm |
| Inner Ring Chamfer | 2.5 mm |
| Outer Ring Chamfer | 3 mm |
| Inner Ring Assembly Width Tolerance | -0.25 – 0 mm |
| Outer Ring Assembly Width | 74 mm |
| Outer Ring Assembly Width Tolerance | -0.35 – 0 mm |
| Shaft Abutment Diameter | 208 mm |
| Housing Abutment Diameter | 268 mm |
| Lubrication Hole Diameter | 5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 575 kN |
| Basic Static Load Rating C0 (kN) | 1050 kN |
| Material | |
| Mass (kg) | 16.8 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 10 mm |
| Roller Material | Bearing Steel |
45T573809B 380 mm 285 mm Frequently Asked Questions about 45T573809B Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Each 45T573809B 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 (285 mm bore side) ensures perfect planar contact without edge binding.
For international ocean and air freight, CHG Bearing packs 45T573809B 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.
Beyond standard alloy steel, CHG Bearing can customize the 45T573809B Double Row Tapered Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
Quality starts with raw material selection: CHG Bearing crafts 45T573809B inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
