Manufactured by CHG Bearing, the 351092 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 460 mm bore diameter, a 680 mm outer diameter, and a 230 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.

351092 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 351092 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 350000 |
| Number of Rows | Double Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 460 mm |
| Width (B) | 230 mm |
| Outer Diameter (D) | 680 mm |
| Bore Diameter Tolerance | -0.03 – 0 mm |
| Outside Diameter Tolerance | -0.038 – 0 mm |
| Inner Ring Chamfer | 6 mm |
| Outer Ring Chamfer | 2 mm |
| Inner Ring Assembly Width Tolerance | -0.80 – 0 mm |
| Outer Ring Assembly Width | 118 mm |
| Outer Ring Assembly Width Tolerance | -0.80 – 0 mm |
| Shaft Abutment Diameter | 368 mm |
| Housing Abutment Diameter | 489 mm |
| Lubrication Hole Diameter | 8 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1550 kN |
| Basic Static Load Rating C0 (kN) | 3070 kN |
| Material | |
| Mass (kg) | 95.3 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 16 mm |
| Roller Material | Bearing Steel |
351092 680 mm 460 mm Frequently Asked Questions about 351092 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open Type engineered for 351092 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.
When fitting 351092 over a 460 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.
The CHG Bearing 351092 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
To safeguard CHG Bearing 351092 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (460 mm x 680 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
