Four point contact ball bearings

HKA050XP0 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HKA050XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 127 mm bore diameter, a 139.7 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 NumberHKA050XP0
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesKA
Seal TypeOpen
Load DirectionRadial, Bidirectional Axial and Moment
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)127 mm
Width (B)6.35 mm
Outer Diameter (D)139.7 mm
Bore Diameter Tolerance-0.025-0 mm
Outside Diameter Tolerance-0.02-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)131.7244 mm
Outer-Ring Land Diameter (L2 / D1)134.9756 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)7070 N
Basic Dynamic Radial Load Rating Cr (N)3820 N
Basic Static Axial Load Rating C0a (N)17690 N
Basic Dynamic Axial Load Rating Ca (N)6220 N
Material
Mass (kg)0.109 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-0.076-0.051 mm
CAD Drawing and Dimensions for HKA050XP0 Thin Section Four-Point Contact Ball Bearings HKA050XP0 139.7 mm 127 mm 6.35 mm

Frequently Asked Questions about HKA050XP0 Thin Section Four-Point Contact Ball Bearings

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

Sourcing HKA050XP0 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Thin Section Four-Point Contact Ball Bearings.
For international ocean and air freight, CHG Bearing packs HKA050XP0 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.
Standard batches of CHG Bearing HKA050XP0 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.
Model HKA050XP0 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 127 mm) and steep thermal gradients between inner and outer rings.
HKA050XP0 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HKA050XP0 139.7 mm 127 mm 6.35 mm