Manufactured by CHG Bearing, the 52FC40335W/P5 is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 260 mm bore diameter, a 400 mm outer diameter, and a 335 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.
52FC40335W/P5 - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 52FC40335W/P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 260 mm |
| Width (B) | 335 mm |
| Outer Diameter (D) | 400 mm |
| Bore Diameter Tolerance | -0.018 – 0 mm |
| Outside Diameter Tolerance | -0.020 – 0 mm |
| Width Tolerance | -0.45 – 0 mm |
| Enveloping Circle Diameter Fw | 294 mm |
| Inner Ring Chamfer | 1 min mm |
| Outer Ring Chamfer | 3 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 3750 kN |
| Basic Static Load Rating C0 (kN) | 7340 kN |
| Material | |
| Mass (kg) | 149 kg |
| Ring Material | Bearing Steel / Case-Hardened Steel |
| Rolling Element Material | Bearing Steel / Case-Hardened Steel |
| Cage Material | Brass |
| Lubrication Groove Width | 12 mm |
| Lubrication Holes (qty × Ø mm) | 6 × Ø6 |
52FC40335W/P5 400 mm 260 mm 294 mm 335 mm Frequently Asked Questions about 52FC40335W/P5 Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
In its sealed configuration (Open Type), CHG Bearing pre-charges 52FC40335W/P5 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
The Open Type engineered for 52FC40335W/P5 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
To extend the trouble-free lifespan of CHG Bearing 52FC40335W/P5, 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.
Standard batches of CHG Bearing 52FC40335W/P5 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.
