Manufactured by CHG Bearing, the 45T706220A is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 350 mm bore diameter, a 619 mm outer diameter, and a 200 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.

45T706220A - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 45T706220A |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 350 mm |
| Width (B) | 200 mm |
| Outer Diameter (D) | 619 mm |
| Bore Diameter Tolerance | -0.04 – 0 mm |
| Outside Diameter Tolerance | -0.05 – 0 mm |
| Inner Ring Chamfer | 5 mm |
| Outer Ring Chamfer | 6 mm |
| Inner Ring Assembly Width Tolerance | -0.40 – 0 mm |
| Outer Ring Assembly Width | 133 mm |
| Outer Ring Assembly Width Tolerance | -0.50 – 0 mm |
| Shaft Abutment Diameter | 398 mm |
| Housing Abutment Diameter | 498 mm |
| Lubrication Hole Diameter | 8 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1880 kN |
| Basic Static Load Rating C0 (kN) | 3850 kN |
| Material | |
| Mass (kg) | 104 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 16 mm |
| Roller Material | Bearing Steel |
45T706220A 619 mm 350 mm Frequently Asked Questions about 45T706220A Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 45T706220A 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 45T706220A correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
Every production batch of CHG Bearing 45T706220A Double Row Tapered Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 45T706220A, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
