Manufactured by CHG Bearing, the FC2639128 is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 133 mm bore diameter, a 196.85 mm outer diameter, and a 128 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.
FC2639128 - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | FC2639128 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 133 mm |
| Width (B) | 128 mm |
| Outer Diameter (D) | 196.85 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.030 – 0 mm |
| Width Tolerance | -0.30 – 0 mm |
| Enveloping Circle Diameter Fw | 149 mm |
| Inner Ring Chamfer | 2.1 min mm |
| Outer Ring Chamfer | 2.1 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 628 kN |
| Basic Static Load Rating C0 (kN) | 1240 kN |
| Material | |
| Mass (kg) | 13.9 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
| Lubrication Groove Width | 8 mm |
| Lubrication Holes (qty × Ø mm) | 6 × Ø4 |
FC2639128 196.85 mm 133 mm 149 mm 128 mm Frequently Asked Questions about FC2639128 Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To ensure optimum performance of CHG Bearing FC2639128 Four-Row Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 133 mm bore. For the 196.85 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Absolutely. The CHG Bearing FC2639128 Four-Row Cylindrical Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF FC2639128, FAG FC2639128, NSK FC2639128. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Engineered according to international ISO boundary plans, CHG Bearing supplies FC2639128 with a precision bore diameter (d) of 133 mm, an outside diameter (D) of 196.85 mm, and a nominal ring width (B) of 128 mm. This configuration yields an effective cross-sectional wall thickness of 31.9 mm and an envelope ratio (D/d) of 1.48, delivering compact rigidity for OEM machinery housings.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for FC2639128, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
