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Pillow blocks, the most commonly used type of mounted units, provide shaft support where the mounting surface is parallel to the shaft axis. The bolt holes are usually slotted for easy adjustment during mounting.
Pillow blocks come in a variety of configurations.
- Narrow series (V and S) are lightweight, yet structurally designed to support bearing load.
- Premium width series (R and Y) are three times stronger for rougher environments. They’re available in two styles that fit typical applications.
- Pressed steel and rubber pillow blocks are available for light-duty applications.
Unit of Measure
Key Dimensions
Series |
N/A Light-Duty |
Shaft Size d |
N/A 1 in |
Bearing Type |
N/A Ball Bearing |
Bearing Number |
N/A RA100RRB |
Seal Type |
N/A Shroud Seal |
Housing Construction |
N/A Two-Bolt Pillow Block |
Alternate Part Name |
N/A PB 1 |
Other Dimensions
Base to Center Height H |
N/A 28.6 mm1.125 in |
Total Length L |
N/A 114 mm4.5 in |
Total Width A |
N/A 28.6 mm1.125 in |
Bolt Hole Width N |
N/A 10.3 mm0.406 in |
Foot Height H1 |
N/A 5.28 mm0.208 in |
Total Height H2 |
N/A 56.4 mm2.219 in |
Dimension d1 |
N/A 38.1 mm1.5 in |
Dimension B1 |
N/A 31 mm1.22 in |
Dimension S1 |
N/A 23.51 mm0.926 in |
Dimension T |
N/A 14.3 mm0.563 in |
