Four point contact ball bearings

HJA030XP4 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HJA030XP4 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 76.2 mm bore diameter, a 88.9 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 NumberHJA030XP4
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesJA
Seal TypeSealed
Load DirectionRadial, Bidirectional Axial and Moment
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)76.2 mm
Width (B)6.35 mm
Outer Diameter (D)88.9 mm
Bore Diameter Tolerance-0.005-0 mm
Outside Diameter Tolerance-0.0076-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)79.9592 mm
Outer-Ring Land Diameter (L2 / D1)85.2424 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)4400 N
Basic Dynamic Radial Load Rating Cr (N)2860 N
Basic Static Axial Load Rating C0a (N)10980 N
Basic Dynamic Axial Load Rating Ca (N)4490 N
Material
Mass (kg)0.064 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 ClassP4
Radial Internal Clearance-0.03-0.016 mm
CAD Drawing and Dimensions for HJA030XP4 Thin Section Four-Point Contact Ball Bearings HJA030XP4 88.9 mm 76.2 mm 6.35 mm

Frequently Asked Questions about HJA030XP4 Thin Section Four-Point Contact Ball Bearings

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

Sourcing HJA030XP4 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.
Model HJA030XP4 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 76.2 mm) and steep thermal gradients between inner and outer rings.
To match diverse operational dynamics, CHG Bearing supplies HJA030XP4 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Every production batch of CHG Bearing HJA030XP4 Thin Section Four-Point Contact Ball Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
HJA030XP4 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HJA030XP4 88.9 mm 76.2 mm 6.35 mm