Manufactured by CHG Bearing, the HKF140CP4 is a precision Thin Section Deep Groove Ball Bearings. Key dimensional parameters include a 355.6 mm bore diameter, a 393.7 mm outer diameter, and a 19.05 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.

HKF140CP4 - Thin Section Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKF140CP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing |
| Series | KF |
| Seal Type | Open |
| Load Direction | Radial and Bidirectional Axial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 355.6 mm |
| Width (B) | 19.05 mm |
| Outer Diameter (D) | 393.7 mm |
| Bore Diameter Tolerance | -0.0127-0 mm |
| Outside Diameter Tolerance | -0.015-0 mm |
| Width Tolerance | -0.254-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 369.697 mm |
| Outer-Ring Land Diameter (L2 / D1) | 379.603 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 74010 N |
| Basic Dynamic Radial Load Rating Cr (N) | 29430 N |
| Basic Static Axial Load Rating C0a (N) | N/A N |
| Basic Dynamic Axial Load Rating Ca (N) | N/A N |
| Material | |
| Mass (kg) | 2.72 kg |
| Ring Material | Stainless Steel / Bearing Steel |
| Cage Material | Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate |
| Ball Material | Stainless Steel / Bearing Steel / Ceramic |
| Operating Temperature Range (°C) | -50 to +100 °C °C |
| Precision Class | P4 |
| Radial Internal Clearance | -0.045-0.031 mm |
HKF140CP4 393.7 mm 355.6 mm 19.05 mm Frequently Asked Questions about HKF140CP4 Thin Section Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies HKF140CP4 with a precision bore diameter (d) of 355.6 mm, an outside diameter (D) of 393.7 mm, and a nominal ring width (B) of 19.05 mm. This configuration yields an effective cross-sectional wall thickness of 19.0 mm and an envelope ratio (D/d) of 1.11, delivering compact rigidity for OEM machinery housings.
To safeguard CHG Bearing HKF140CP4 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (355.6 mm x 393.7 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To extend the trouble-free lifespan of CHG Bearing HKF140CP4, 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.
Built for demanding industrial environments, the HKF140CP4 Thin Section Deep Groove Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
