Angular Contact Ball Bearings (72xx, 73xx)

Designed for combined high unidirectional thrust & radial loads in pumps, machine spindles & compressors.

Original Equipment GradeMfr: URB / NACHI / NTN

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URB / NACHI / NTN Industrial Line

Angular Contact Ball Bearings (72xx, 73xx)

Angular Contact Ball Bearings feature raceways in the inner and outer rings that are displaced relative to each other in the direction of the bearing axis. This contact angle configuration allows them to support significant radial loads and high unidirectional thrust loads simultaneously. Commonly paired back-to-back (DB), face-to-face (DF), or tandem (DT) for rigid shaft guidance.

Technical Parameters & Ratings

Contact Angles40° (B suffix - high thrust), 25° (high speed), 15° (C suffix spindle)

Pairing TypesUniversal Pairing (DB Back-to-Back, DF Face-to-Face, DT Tandem)

Cage OptionsMachined Brass (M), Glass-fiber Polyamide (TVP), Phenolic Resin (T)

Precision ClassesNormal, P6, P5, Super Precision P4 / ABEC 7

Brands SuppliedURB, NTN

Key Operational Advantages

Industrial Applications

Multi-Stage Centrifugal Pumps & Boiler Feed PumpsIndustrial Screw Compressors & Gas BoostersCNC Machine Tool Spindles & High-Speed Milling HeadsCentrifugal Separators & Decanter CentrifugesAutomotive & Industrial Gearboxes

Quality Guaranteed & Traceable SupplyEvery unit is verified against original manufacturer dimensional tolerances and hardness standards. Accompanied by manufacturer test certificates and warranty backing.

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