Deep Groove Ball Bearings

HKF055CP0 - Thin Section Deep Groove Ball Bearings

Manufactured by CHG Bearing, the HKF055CP0 is a precision Thin Section Deep Groove Ball Bearings. Key dimensional parameters include a 139.7 mm bore diameter, a 177.8 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.

Technical Specifications

Overview
Part NumberHKF055CP0
BrandCHG®
Characteristics
Bearing TypeDeep Groove Ball Bearing
SeriesKF
Seal TypeOpen
Load DirectionRadial and Bidirectional Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)139.7 mm
Width (B)19.05 mm
Outer Diameter (D)177.8 mm
Bore Diameter Tolerance-0.025-0 mm
Outside Diameter Tolerance-0.025-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)153.797 mm
Outer-Ring Land Diameter (L2 / D1)163.703 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)31340 N
Basic Dynamic Radial Load Rating Cr (N)18300 N
Basic Static Axial Load Rating C0a (N)N/A N
Basic Dynamic Axial Load Rating Ca (N)N/A N
Material
Mass (kg)1.18 kg
Ring MaterialStainless Steel / Bearing Steel
Cage MaterialBrass / PEEK / Polyimide / Phenolic Resin Fabric Laminate
Ball MaterialStainless Steel / Bearing Steel / Ceramic
Operating Temperature Range (°C)-50 to +100 °C °C
Precision ClassP0
Radial Internal Clearance-0.086-0.051 mm
CAD Drawing and Dimensions for HKF055CP0 Thin Section Deep Groove Ball Bearings HKF055CP0 177.8 mm 139.7 mm 19.05 mm

Frequently Asked Questions about HKF055CP0 Thin Section Deep Groove Ball Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Absolutely. The CHG Bearing HKF055CP0 Thin Section Deep Groove Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HKF055CP0, FAG HKF055CP0, NSK HKF055CP0. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Beyond standard alloy steel, CHG Bearing can customize the HKF055CP0 Thin Section Deep Groove 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.
To extend the trouble-free lifespan of CHG Bearing HKF055CP0, 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.
To ensure optimum performance of CHG Bearing HKF055CP0 Thin Section Deep Groove Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 139.7 mm bore. For the 177.8 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
HKF055CP0 - Thin Section Deep Groove Ball Bearings CAD Drawing HKF055CP0 177.8 mm 139.7 mm 19.05 mm