Bearings • Pillow Block Bearings
A commonly used type of mounted unit, pillow block bearings are designed to provide shaft support where the mounting surface is parallel to the shaft axis.Typically self-lubricating and made of cast iron or pressed steel, pillow block bearings are widely used in conveyor systems, such a tube chain conveyors. These bearings are available as light duty, standard duty, and heavy-duty types. Light-duty pillow block bearings feature a narrow inner ring and two set screws; while standard types feature a wide inner ring and two set screws. The heavy-duty types feature a wide inner ring and four set screws.
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PBC offers RST pillow block ball bearings for linear motion applications. These products are self aligning and interchangeable with other manufacturers products. Types include inch and metric closed, inch twin closed, and inch and metric open types. 3D CAD drawings are available.
AMI offers mounted pillow block bearing units available in inch and metric bores that are interchangeable with other major manufacturers. Pillow blocks available include a Silver Series (10mm to 35mm), mounted normal duty (1/2" to 3 1/2" and 12mm to 90mm), mounted medium duty (1" to 4" and 25mm to 100mm), and mounted heavy duty (1" to 4 7/16" and 25mm to 140mm).
ABT offers mounted pillow block ball bearing units. These products are self-aligning with heavy duty contact type seals. A steel slinger is fixed to the inner ring. Concentric split locking collars provide locking for bi-directional applications.
NTN offers over a half dozen pillow block types with shaft height ranges of 1 1/8 inch to 3 5/32 inch, bolt center distance ranges of 2 7/32 inch to 5 3/16 inch, housing materials of cast iron or pressed steel, and application duties of light, medium and heavy duty.