Manufactured by CHG Bearing, the 46T251809 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 125 mm bore diameter, a 180 mm outer diameter, and a 85 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.

46T251809 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 46T251809 |
| 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) | 85 mm |
| Outer Diameter (D) | 180 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 | 352 mm |
| Outer Ring Assembly Width Tolerance | -1.25 – 0 mm |
| Shaft Abutment Diameter | 904 mm |
| Housing Abutment Diameter | 1284 mm |
| Lubrication Hole Diameter | 14 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 12400 kN |
| Basic Static Load Rating C0 (kN) | 27300 kN |
| Material | |
| Mass (kg) | 2170 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 |
46T251809 180 mm 125 mm Frequently Asked Questions about 46T251809 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Built for demanding industrial environments, the 46T251809 Double Row Tapered Roller 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.
When fitting 46T251809 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.
Sourcing 46T251809 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies 46T251809 with a precision bore diameter (d) of 125 mm, an outside diameter (D) of 180 mm, and a nominal ring width (B) of 85 mm. This configuration yields an effective cross-sectional wall thickness of 27.5 mm and an envelope ratio (D/d) of 1.44, delivering compact rigidity for OEM machinery housings.
