Manufactured by CHG Bearing, the 45T604411C is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 300 mm bore diameter, a 440 mm outer diameter, and a 105 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.

45T604411C - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 45T604411C |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 300 mm |
| Width (B) | 105 mm |
| Outer Diameter (D) | 440 mm |
| Bore Diameter Tolerance | -0.03 – 0 mm |
| Outside Diameter Tolerance | -0.04 – 0 mm |
| Inner Ring Chamfer | 3 mm |
| Outer Ring Chamfer | 4 mm |
| Inner Ring Assembly Width Tolerance | -0.3 – 0 mm |
| Outer Ring Assembly Width | 104 mm |
| Outer Ring Assembly Width Tolerance | -0.40 – 0 mm |
| Shaft Abutment Diameter | 224 mm |
| Housing Abutment Diameter | 306 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 981 kN |
| Basic Static Load Rating C0 (kN) | 1590 kN |
| Material | |
| Mass (kg) | 34 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
| Roller Material | Bearing Steel |
45T604411C 440 mm 300 mm Frequently Asked Questions about 45T604411C Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 45T604411C 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.
For international ocean and air freight, CHG Bearing packs 45T604411C 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.
To safeguard CHG Bearing 45T604411C against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (300 mm x 440 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Quality starts with raw material selection: CHG Bearing crafts 45T604411C 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.
