Manufactured by CHG Bearing, the 20HG45120X3 is a precision Backing Bearings. Key dimensional parameters include a 100 mm bore diameter, a 225 mm outer diameter, and a 120 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.
Technical Specifications
| Overview | |
|---|---|
| Part Number | 20HG45120X3 20HG45120X3 |
| Brand | CHG® CHG® |
| Characteristics | |
| Bearing Type | Backing Bearing Backing Bearing |
| Structure (Drawing Reference) | 1 1 |
| Dimensions | |
| Bore Diameter (d) | 100 mm |
| Width (B) | 120 mm |
| Outer Diameter (D) | 225 mm |
| Outer Ring Width C | 120 mm |
| Cross-Section Height H | 62.5 mm |
| Performance | |
| Basic Dynamic Load Rating Cr | 735 kN 165.23 klbf |
| Basic Static Load Rating C0r | 1380 kN 310.24 klbf |
| Material | |
| Mass | 27.7 kg 61.068 lb |
20HG45120X3 225 mm 100 mm 120 mm Frequently Asked Questions about 20HG45120X3 Backing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 20HG45120X3 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Backing Bearings.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 20HG45120X3, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Built for demanding industrial environments, the 20HG45120X3 Backing Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
To ensure optimum performance of CHG Bearing 20HG45120X3 Backing Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 100 mm bore. For the 225 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
