Double Row Self-Aligning Ball Bearings

Spherical outer raceway accommodating shaft deflections, framing misalignment, and high rotational speeds.

Original Equipment GradeMfr: URB / NACHI / NTN

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URB / NACHI / NTN Industrial Line

Double Row Self-Aligning Ball Bearings

Self-Aligning Ball Bearings feature two rows of balls and a common continuous spherical raceway in the outer ring. This geometry allows the balls and inner ring to swivel freely within the outer ring, compensating completely for shaft deflections, housing misalignment, or frame distortions without causing edge stress or thermal binding.

Technical Parameters & Ratings

Misalignment Capability1.5° to 3° self-alignment angle

Bore StylesCylindrical (Plain) & Tapered (1:12 K series)

Sealing OptionsOpen or Sealed with contact rubber seals (2RS)

Cage TypesPressed steel, Polyamide (TN9), Machined brass (M)

Brands SuppliedURB Romania, NTN Japan, NTN Japan

Key Operational Advantages

Industrial Applications

Textile Spinning Frames & Carding MachinesAgricultural Combine Harvesters & PlantersLight Duty Industrial Conveyors & Packaging LinesWoodworking Planers & Timber MachineryAir Handling Units & Centrifugal Blowers

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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