Manufactured by CHG Bearing, the 106FC76520A is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 530 mm bore diameter, a 760 mm outer diameter, and a 520 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.

106FC76520A - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 106FC76520A |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 530 mm |
| Width (B) | 520 mm |
| Outer Diameter (D) | 760 mm |
| Bore Diameter Tolerance | -0.050 – 0 mm |
| Outside Diameter Tolerance | -0.075 – 0 mm |
| Width Tolerance | -0.75 – 0 mm |
| Enveloping Circle Diameter Fw | 589 mm |
| Inner Ring Chamfer | SP mm |
| Outer Ring Chamfer | 6 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 11500 kN |
| Basic Static Load Rating C0 (kN) | 28800 kN |
| Material | |
| Mass (kg) | 810 kg |
| Ring Material | Case-Hardened Steel |
| Rolling Element Material | Case-Hardened Steel |
| Cage Material | Grade 45 Steel |
| Lubrication Groove Width | 24 mm |
| Lubrication Holes (qty × Ø mm) | 10 × Ø10 |
106FC76520A 760 mm 530 mm 589 mm 520 mm Frequently Asked Questions about 106FC76520A Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Quality starts with raw material selection: CHG Bearing crafts 106FC76520A inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
Standard batches of CHG Bearing 106FC76520A conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
Engineered according to international ISO boundary plans, CHG Bearing supplies 106FC76520A with a precision bore diameter (d) of 530 mm, an outside diameter (D) of 760 mm, and a nominal ring width (B) of 520 mm. This configuration yields an effective cross-sectional wall thickness of 115.0 mm and an envelope ratio (D/d) of 1.43, delivering compact rigidity for OEM machinery housings.
To ensure optimum performance of CHG Bearing 106FC76520A Four-Row Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 530 mm bore. For the 760 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
