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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 |
