Manufactured by CHG Bearing, the HKB140XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 355.6 mm bore diameter, a 371.475 mm outer diameter, and a 7.9375 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.

HKB140XP0 - Thin Section Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKB140XP0 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | KB |
| Seal Type | Open |
| Load Direction | Radial, Bidirectional Axial and Moment |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 355.6 mm |
| Width (B) | 7.9375 mm |
| Outer Diameter (D) | 371.475 mm |
| Bore Diameter Tolerance | -0.035-0 mm |
| Outside Diameter Tolerance | -0.035-0 mm |
| Width Tolerance | -0.254-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 361.4674 mm |
| Outer-Ring Land Diameter (L2 / D1) | 365.5822 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 25830 N |
| Basic Dynamic Radial Load Rating Cr (N) | 9930 N |
| Basic Static Axial Load Rating C0a (N) | 64590 N |
| Basic Dynamic Axial Load Rating Ca (N) | 17070 N |
| Material | |
| Mass (kg) | 0.476 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 | P0 |
| Radial Internal Clearance | -0.096-0.072 mm |
HKB140XP0 371.475 mm 355.6 mm 7.9375 mm Frequently Asked Questions about HKB140XP0 Thin Section Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HKB140XP0, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
For international ocean and air freight, CHG Bearing packs HKB140XP0 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Beyond standard alloy steel, CHG Bearing can customize the HKB140XP0 Thin Section Four-Point Contact Ball 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.
The CHG Bearing HKB140XP0 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
