Manufactured by CHG Bearing, the BC4B 319862 is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 950 mm bore diameter, a 1360 mm outer diameter, and a 975 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.

BC4B 319862 - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | BC4B 319862 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 950 mm |
| Width (B) | 975 mm |
| Outer Diameter (D) | 1360 mm |
| Bore Diameter Tolerance | -0.10 – 0 mm |
| Outside Diameter Tolerance | -0.16 – 0 mm |
| Width Tolerance | -1.6 – 0 mm |
| Enveloping Circle Diameter Fw | 1075 mm |
| Inner Ring Chamfer | 26 × 20° mm |
| Outer Ring Chamfer | 6 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 31900 kN |
| Basic Static Load Rating C0 (kN) | 105000 kN |
| Material | |
| Mass (kg) | 4940 kg |
| Ring Material | Case-Hardened Steel |
| Rolling Element Material | Case-Hardened Steel |
| Cage Material | Grade 45 Steel |
| Lubrication Groove Width | 23.5 mm |
| Lubrication Holes (qty × Ø mm) | 8 × Ø12 |
BC4B 319862 1360 mm 950 mm 1075 mm 975 mm Frequently Asked Questions about BC4B 319862 Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies BC4B 319862 with a precision bore diameter (d) of 950 mm, an outside diameter (D) of 1360 mm, and a nominal ring width (B) of 975 mm. This configuration yields an effective cross-sectional wall thickness of 205.0 mm and an envelope ratio (D/d) of 1.43, delivering compact rigidity for OEM machinery housings.
Yes, 100% of BC4B 319862 Four-Row Cylindrical Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
To extend the trouble-free lifespan of CHG Bearing BC4B 319862, 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.
Beyond standard alloy steel, CHG Bearing can customize the BC4B 319862 Four-Row Cylindrical Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
