Manufactured by CHG Bearing, the 45T253018 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 125 mm bore diameter, a 305 mm outer diameter, and a 167 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.
45T253018 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 45T253018 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 125 mm |
| Width (B) | 167 mm |
| Outer Diameter (D) | 305 mm |
| Bore Diameter Tolerance | -0.02 – 0 mm |
| Outside Diameter Tolerance | -0.025 – 0 mm |
| Inner Ring Chamfer | 2 mm |
| Outer Ring Chamfer | 2.5 mm |
| Inner Ring Assembly Width Tolerance | -0.20 – 0 mm |
| Outer Ring Assembly Width | 56 mm |
| Outer Ring Assembly Width Tolerance | -0.25 – 0 mm |
| Shaft Abutment Diameter | 128 mm |
| Housing Abutment Diameter | 170 mm |
| Lubrication Hole Diameter | 4 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 300 kN |
| Basic Static Load Rating C0 (kN) | 505 kN |
| Material | |
| Mass (kg) | 5.4 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 8.5 mm |
| Roller Material | Bearing Steel |
45T253018 305 mm 125 mm Frequently Asked Questions about 45T253018 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 45T253018, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Engineered according to international ISO boundary plans, CHG Bearing supplies 45T253018 with a precision bore diameter (d) of 125 mm, an outside diameter (D) of 305 mm, and a nominal ring width (B) of 167 mm. This configuration yields an effective cross-sectional wall thickness of 90.0 mm and an envelope ratio (D/d) of 2.44, delivering compact rigidity for OEM machinery housings.
To extend the trouble-free lifespan of CHG Bearing 45T253018, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Sourcing 45T253018 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 Double Row Tapered Roller Bearings.
