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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 1.25 in

Bearing Type 

N/A Ball Bearing

Bearing Number

N/A RA103RRB2

Seal Type

N/A Shroud Seal

Housing Construction

N/A Two-Bolt Pillow Block

Alternate Part Name

N/A PB 1 1/4S

Other Dimensions

Base to Center Height H

N/A 33.3 mm1.313 in

Total Length L

N/A 123.8 mm4.875 in

Total Width A

N/A 31.8 mm1.25 in

Bolt Hole Width N

N/A 10.3 mm0.406 in

Foot Height H1

N/A 3.68 mm0.145 in

Total Height H2

N/A 66.7 mm2.625 in

Dimension d1

N/A 44.1 mm1.736 in

Dimension B1

N/A 35.7 mm1.406 in

Dimension S1

N/A 26.71 mm1.052 in

Dimension T

N/A 19 mm0.75 in

Ratings

Static Load Rating

N/A 11300 N2530 lbf

Dynamic Load Rating

N/A 21600 N4850 lbf