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Slewing Ring Bearing

Precision Rotation in a Compact Size

Cost- effective Slew Ring Bearings from PBC Linear® are offered in diameters up to 12.205 inches (310 mm). Their deep groove raceways and larger ball sizes deliver superior load-handling capabilities, offering higher moment, thrust, and radial load capacities compared to standard four-point contact slewing bearings. Both the inner and outer rings are composed of durable steel, ensuring strength and reliability in demanding applications.

Slew Ring Bearings are designed for a wide range of applications. They are commonly used in positioning and indexing tables, robotics, medical equipment, and small wind turbines, making them a versatile solution for industries that demand precision and durability. 

Performance Benefits of Ball Bearing Slewing Rings:

  • Versatile Performance: Excels in applications ranging from light to heavy loads.
  • Superior Load Handling: Deep groove raceways and maximum size balls provide higher torque, thrust, and radial load capacity compared to standard four-point contact ball bearings. 
  • High Stiffness: Offers exceptional rigidity for demanding bearing applications.
  • Cost-Effective: Delivers an excellent price/performance ratio.
  • Excellent Durability: Ensures a long service life in a variety of environments, -40°F to +140°F (-40°C to +60°C).
  • Enhanced Protection: Larger seals and non-contact dust covers on the bearing grooves effectively block contaminants.
  • Increased Load Capacity: Certain sizes feature enhanced load-bearing capabilities.
Ball Bearing Slew Ring

MT Series Slew Ring Bearings

The MT Series Slewing Rings are designed with a robust rectangular cross-section, making them an economical and reliable replacement for traditional kingpost designs. Engineered for demanding applications, these heavy-duty bearings come in three versatile variations: standard, high load capacity, and models with threaded holes. With no geared teeth, they offer a streamlined solution for smooth, precise rotational performance, delivering exceptional value and durability across a range of industries.

Part NumberInner DiameterOuter DiameterRing MaterialOptionsBuy Now Link
SRB-BMT-0050-0110-STNN50mm110mmSteelNo OptionsShop Now
SRB-BMT-0050-0110-STNT50mm110mmSteelThreaded HolesShop Now
SRB-BMT-0065-0135-STNN65mm135mmSteelNo OptionsShop Now
SRB-BMT-0065-0135-STNT65mm135mmSteelThreaded HolesShop Now
SRB-BMT-0122-0226-STNN122mm226mmSteelNo OptionsShop Now
SRB-BMT-0122-0226-STNT122mm226mmSteelThreaded HolesShop Now
SRB-BMT-0143-0249-STNN143mm249mmSteelNo OptionsShop Now
SRB-BMT-0143-0249-STNT143mm249mmSteelThreaded HolesShop Now
SRB-BMT-0145-0300-STNN145mm300mmSteelNo OptionsShop Now
SRB-BMT-0145-0300-STNT145mm300mmSteelThreaded HolesShop Now
SRB-BMT-0145-0312-STNL145mm312mmSteelAdditional Load CapacityShop Now
SRB-BMT-0170-0310-STNN170mm310mmSteelNo OptionsShop Now
SRB-BMT-0170-0310-STNT170mm310mmSteelThreaded HolesShop Now