Manufactured by CHG Bearing, the 46T252312 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 125 mm bore diameter, a 230 mm outer diameter, and a 116 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.
46T252312 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 46T252312 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 350000 |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 125 mm |
| Width (B) | 116 mm |
| Outer Diameter (D) | 230 mm |
| Bore Diameter Tolerance | -0.075 – 0 mm |
| Outside Diameter Tolerance | -0.95 – 0 mm |
| Inner Ring Chamfer | 12 mm |
| Outer Ring Chamfer | SP mm |
| Inner Ring Assembly Width Tolerance | -1.0 – 0 mm |
| Outer Ring Assembly Width | 400 mm |
| Outer Ring Assembly Width Tolerance | -1.25 – 0 mm |
| Shaft Abutment Diameter | 904 mm |
| Housing Abutment Diameter | 1287 mm |
| Lubrication Hole Diameter | 14 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 16000 kN |
| Basic Static Load Rating C0 (kN) | 37700 kN |
| Material | |
| Mass (kg) | 2710 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 35 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
46T252312 230 mm 125 mm Frequently Asked Questions about 46T252312 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 46T252312 Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 46T252312, FAG 46T252312, NSK 46T252312. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
When fitting 46T252312 over a 125 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 46T252312, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
In its sealed configuration (Open Type), CHG Bearing pre-charges 46T252312 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
