Thrust Ball Bearings (511xx, 512xx, 513xx, 514xx)

Single and double direction thrust ball bearings engineered for pure axial loads at moderate speeds.

Original Equipment GradeMfr: URB / NACHI / NTN

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URB / NACHI / NTN Industrial Line

Thrust Ball Bearings (511xx, 512xx, 513xx, 514xx)

Thrust Ball Bearings are manufactured as single-direction or double-direction designs consisting of ground shaft washers, housing washers, and ball and cage thrust assemblies. Because the balls run along deep ground raceways, these bearings provide high axial rigidity and location for pure thrust loads, but cannot accept any radial loading.

Technical Parameters & Ratings

Load CapabilityPure axial (thrust) loads only (Fr = 0)

Washer TypesFlat seating washer or Spherical housing seating washer (U series)

Cage TypesPressed Steel & Solid Machined Brass (M)

Tolerance GradeNormal (P0) & High Precision P6 / P5

Brands StockedURB Romania, NTN Japan, NTN Japan

Key Operational Advantages

Industrial Applications

Machine Tool Swivel Tables & Indexing HeadsCrane Hooks & Swivel Shackle AssembliesAutomotive Steering Pivots & KingpinsIndustrial Jack Screws & Vertical CentrifugesHigh-Pressure Valve Stems & Actuators

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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