Deep Groove Ball Bearings

HKA120CP0 - Thin Section Deep Groove Ball Bearings

Manufactured by CHG Bearing, the HKA120CP0 is a precision Thin Section Deep Groove Ball Bearings. Key dimensional parameters include a 304.8 mm bore diameter, a 317.5 mm outer diameter, and a 6.35 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 NumberHKA120CP0
BrandCHG®
Characteristics
Bearing TypeDeep Groove Ball Bearing
SeriesKA
Seal TypeOpen
Load DirectionRadial and Bidirectional Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)304.8 mm
Width (B)6.35 mm
Outer Diameter (D)317.5 mm
Bore Diameter Tolerance-0.035-0 mm
Outside Diameter Tolerance-0.035-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)309.5244 mm
Outer-Ring Land Diameter (L2 / D1)312.7756 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)16540 N
Basic Dynamic Radial Load Rating Cr (N)4790 N
Basic Static Axial Load Rating C0a (N)N/A N
Basic Dynamic Axial Load Rating Ca (N)N/A N
Material
Mass (kg)0.254 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-0.121-0.072 mm
CAD Drawing and Dimensions for HKA120CP0 Thin Section Deep Groove Ball Bearings HKA120CP0 317.5 mm 304.8 mm 6.35 mm

Frequently Asked Questions about HKA120CP0 Thin Section Deep Groove Ball Bearings

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

Model HKA120CP0 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 304.8 mm) and steep thermal gradients between inner and outer rings.
To safeguard CHG Bearing HKA120CP0 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (304.8 mm x 317.5 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Standard batches of CHG Bearing HKA120CP0 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.
Yes, 100% of HKA120CP0 Thin Section Deep Groove Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
HKA120CP0 - Thin Section Deep Groove Ball Bearings CAD Drawing HKA120CP0 317.5 mm 304.8 mm 6.35 mm