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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 Industrial

Shaft Size d

N/A 3.9375 in

Bearing Type 

N/A Ball Bearing

Bearing Number

N/A GYM1315KRRB

Seal Type

N/A Shroud Seal

Housing Construction

N/A Two-Bolt Pillow Block

Alternate Part Name

N/A YASM3 15/16

Other Dimensions

Base to Center Height H

N/A 127 mm5 in

Total Length L

N/A 431.8 mm17 in

Total Width A

N/A 114.3 mm4.5 in

Bolt Hole Spacing J

N/A 336.55 mm13.25 in

Bolt Hole Width N

N/A 28.7 mm1.13 in

Bolt Hole Length N1

N/A 63.5 mm2.5 in

Foot Height H1

N/A 33.27 mm

Total Height H2

N/A 254 mm10 in

Inside Ring Width B

N/A 117.48 mm4.6250 in

Dimension S1

N/A 68.27 mm2.687 in

Dimension F

N/A 131.35 mm5.1709 in

Ratings

Static Load Rating

N/A 104400 N23500 lbf

Dynamic Load Rating

N/A 147500 N33200 lbf