Twin Pillow Block - Linear Roller Bearing MTWN-20-OPN-S for a 20mm Shaft, 2 Scrapers
Twin (TWN) Cam Roller Bearing Pillow Block with copper scrapers for a 20mm diameter shaft. Twin roller pillow blocks cover twice the space on a linear shaft as a single roller pillow block. The twin pillow block has two sets of 3 opposing roller bearings mounted onto this double sized twin housing, as if two Single Roller Pillow Blocks (SPB) were fused together to make a much larger bearing. This differs from the Double (DPB) Pillow Blocks which also have 2 sets of rollers but the DPB rollers are next to each other on a single sized product.
- Fits a 20mm linear shaft
- Spring-tempered beryllium copper scrapers at each end conform to the shaft diameter
- No Top Grease Lubrication Port
- The twin TWN blocks, like the double DPB blocks, have two sets of 3 opposing rollers that double the load capacity of a Single Roller Bearing Pillow Block (SPB) which has just 1 set of 3 opposing rollers
- Each set of roller bearings consists of 1 fixed side roller, 1 eccentric side roller and a top support roller
- Floating pillow blocks should be used for each opposing block when running on parallel shafts.
- The eccentric opposing roller in each set helps account for any small misalignment
- Replacement kits of the FUBK Series include just one set of 3 opposing roller bearings, so be sure to buy two FUBK replacement kits for this product and other double or twin roller bearing pillow blocks
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