ISO 9001 Sourced SAE 52100 Chrome Steel

Angular Contact Ball Bearings

Specially designed with contact angles to accommodate high combined radial and heavy axial loads in high-speed precision machine tool spindles.

Angular Contact Ball Bearings
Standard & Custom Sizes Supplied
Speed Boundary Up to 45,000 RPM
Load Capacity Combined Heavy Axial
Protection Open / Sealed Pairs
Fit & Clearance DB / DF / DT Sets
Engineering Data Sheet

Technical Specifications & Sizing Chart

Standard metric dimensional chart and load parameters. Filter by model, bore (d), outer diameter (D), or width (B).

Technical Specifications & Sizing

Bearing No. outer diameter (mm) outer diameter (inch) inner diameter (mm) inner diameter (inch) thinkness (mm) thinkness (inch) Load Rating Cr (N) Load Rating Cor (N) Max Speed Oil (r/min) Reference Weight (kg)

Technical Specification Catalog On Demand

We supply complete standard & custom Angular Contact Ball Bearings (Series 7000, 7200, 7300, 3200, 3300) sourced to ISO/DIN standards with factory test certificates. Submit your required bore, OD, or part number for immediate pricing and CAD drawings.

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Optimized for Combined Thrust & High RPM

Angular Contact Ball Bearings have raceways in the inner and outer rings that are displaced relative to each other in the direction of the bearing axis, enabling simultaneous handling of radial and axial loads.

Available in single row, double row, and matched duplex pairs with 15°, 25°, and 40° contact angles for extreme rigidity.

Angular Contact Ball Bearings Category
Engineering Insights

Bearing Nomenclature & Clearance Guide

Understanding technical suffixes, clearance prefixes, and material ratings used in industrial procurement.

Suffix & Prefix Reference

  • 2RS / DDU: Double lip synthetic NBR rubber seals for moisture & dust exclusion.
  • ZZ / 2Z: Double pressed-steel non-contact shields for grease retention at high speeds.
  • K / N: Tapered bore (K) or snap ring groove (N) for specific mounting configurations.
  • M / Y: Machined brass cage (M) or pressed steel cage (Y) for heavy industrial loads.

Radial Internal Clearance (RIC)

  • C2 (Tight): Less than normal clearance. Used for high-precision shafts to minimize vibration.
  • CN (Normal): Standard fit for general industrial applications under normal temperatures.
  • C3 (Loose): Greater than normal clearance. Compensates for thermal expansion in electric motors.
  • C4 / C5: Massive internal space for kilns and gearboxes running at extreme temperatures.
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