Four point contact ball bearings

HJB020XP0 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HJB020XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 50.8 mm bore diameter, a 66.675 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.

Technical Specifications

Overview
Part NumberHJB020XP0
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesJB
Seal TypeSealed
Load DirectionRadial, Bidirectional Axial and Moment
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)50.8 mm
Width (B)7.9375 mm
Outer Diameter (D)66.675 mm
Bore Diameter Tolerance-0.015-0 mm
Outside Diameter Tolerance-0.0127-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)54.2544 mm
Outer-Ring Land Diameter (L2 / D1)60 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)4130 N
Basic Dynamic Radial Load Rating Cr (N)3370 N
Basic Static Axial Load Rating C0a (N)10400 N
Basic Dynamic Axial Load Rating Ca (N)5020 N
Material
Mass (kg)0.068 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-0.055-0.031 mm
CAD Drawing and Dimensions for HJB020XP0 Thin Section Four-Point Contact Ball Bearings HJB020XP0 66.675 mm 50.8 mm 7.9375 mm

Frequently Asked Questions about HJB020XP0 Thin Section Four-Point Contact Ball Bearings

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

To safeguard CHG Bearing HJB020XP0 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (50.8 mm x 66.675 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
For international ocean and air freight, CHG Bearing packs HJB020XP0 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 HJB020XP0 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 HJB020XP0 Thin Section Four-Point Contact 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.
HJB020XP0 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HJB020XP0 66.675 mm 50.8 mm 7.9375 mm