Manufactured by CHG Bearing, the 3811/850 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 850 mm bore diameter, a 1360 mm outer diameter, and a 900 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.

3811/850 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 3811/850 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 850 mm |
| Width (B) | 900 mm |
| Outer Diameter (D) | 1360 mm |
| Bore Diameter Tolerance | -0.100 – 0 mm |
| Outside Diameter Tolerance | -0.160 – 0 mm |
| Inner Ring Chamfer | 9.5 min mm |
| Outer Ring Chamfer | 8 min mm |
| Inner Ring Assembly Width Tolerance | -1.5 – +1.5 mm |
| Outer Ring Assembly Width | 900 mm |
| Outer Ring Assembly Width Tolerance | -1.5 – +1.5 mm |
| Shaft Abutment Diameter | 900 mm |
| Housing Abutment Diameter | 1200 mm |
| Lubrication Hole Diameter | 14 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 25900 kN |
| Basic Static Load Rating C0 (kN) | 76000 kN |
| Material | |
| Mass (kg) | 5168 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 35 mm |
3811/850 1360 mm 850 mm 900 mm Frequently Asked Questions about 3811/850 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 3811/850. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Sourcing 3811/850 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 Four-Row Tapered Roller Bearings.
To match diverse operational dynamics, CHG Bearing supplies 3811/850 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 3811/850, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
