Manufactured by CHG Bearing, the 206FC138850A is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 1030 mm bore diameter, a 1380 mm outer diameter, and a 850 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.
206FC138850A - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 206FC138850A |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 1030 mm |
| Width (B) | 850 mm |
| Outer Diameter (D) | 1380 mm |
| Bore Diameter Tolerance | -0.125 – 0 mm |
| Outside Diameter Tolerance | -0.16 – 0 mm |
| Width Tolerance | -1.5 – 0 mm |
| Enveloping Circle Diameter Fw | 1124 mm |
| Inner Ring Chamfer | 7.5 min mm |
| Outer Ring Chamfer | 7.5 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 29800 kN |
| Basic Static Load Rating C0 (kN) | 90900 kN |
| Material | |
| Mass (kg) | 3680 kg |
| Ring Material | Case-Hardened Steel |
| Rolling Element Material | Case-Hardened Steel |
| Cage Material | Grade 45 Steel |
| Lubrication Groove Width | 35 mm |
| Lubrication Holes (qty × Ø mm) | 14 × Ø14 |
206FC138850A 1380 mm 1030 mm 1124 mm 850 mm Frequently Asked Questions about 206FC138850A Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 206FC138850A, 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.
To ensure optimum performance of CHG Bearing 206FC138850A Four-Row Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 1030 mm bore. For the 1380 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Beyond standard alloy steel, CHG Bearing can customize the 206FC138850A 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.
Yes, 100% of 206FC138850A 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.
