Manufactured by CHG Bearing, the 46T221810 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 110 mm bore diameter, a 180 mm outer diameter, and a 94 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.

46T221810 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 46T221810 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 350000 |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 110 mm |
| Width (B) | 94 mm |
| Outer Diameter (D) | 180 mm |
| Bore Diameter Tolerance | -0.06 – 0 mm |
| Outside Diameter Tolerance | -0.060 – 0 mm |
| Inner Ring Chamfer | 7.5 mm |
| Outer Ring Chamfer | 4 mm |
| Inner Ring Assembly Width Tolerance | -0.80 – 0 mm |
| Outer Ring Assembly Width | 230 mm |
| Outer Ring Assembly Width Tolerance | -1.0 – 0 mm |
| Shaft Abutment Diameter | 706 mm |
| Housing Abutment Diameter | 938 mm |
| Lubrication Hole Diameter | 12 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 6700 kN |
| Basic Static Load Rating C0 (kN) | 15900 kN |
| Material | |
| Mass (kg) | 689 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 30 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
46T221810 180 mm 110 mm Frequently Asked Questions about 46T221810 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 46T221810, 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.
The Open Type engineered for 46T221810 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Absolutely. The CHG Bearing 46T221810 Double Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 46T221810, FAG 46T221810, NSK 46T221810. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Each 46T221810 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (110 mm bore side) ensures perfect planar contact without edge binding.
