Roller Pillow Block Bearings
Single Roller Pillow Block SPB-OPN Low friction single Roller Pillow Blocks are selected for standard linear movement or for situations with shaft deflection. Self-aligning Roller Pillow Blocks can handle a half of a degree in misalignment.
Configure Online
Note: To learn more about turning a curve with a single Roller Pillow Block, please reference the technical information on page 156.
Dimensions and Load Ratings Inch Shafting
Shaft Diameter
DYN. Load Rating
Weight
A
B
C
D
E
F
G
H
J
K
Part Number
in.
lb.
lb.
±0.003
in.
in.
in.
±0.005 ±0.005
in.
Bolt
Hole
in.
in.
SPB-8-OPN
1/2
400 500 600 955
0.40 0.50 0.60 1.00 2.00 2.80 5.00
0.687 2.000 1.500 1.156 1.688 0.875 2.500 1.750 1.406 2.125 0.937 2.750 1.875 1.563 2.375 1.187 3.254 2.625 2.000 2.875 1.500 4.000 3.375 2.563 3.500 1.750 4.750 3.750 2.875 4.125 2.125 6.000 4.750 3.500 5.250
1.000 1.000 1.125 1.063 1.250 1.063
#6 0.1563 0.240 0.313 #8 0.1875 0.270 0.375 #8 0.1875 0.303 0.438
SPB-10-OPN 5/8 SPB-12-OPN 3/4
SPB-16-OPN
1
1.750 1.375 #10 0.2188 0.360 0.688 2.000 1.750 #10 0.2188 0.424 0.813 2.500 1.875 1/4 0.2813 0.474 1.063 3.250 2.500 3/8 0.4063 0.600 1.375 4.000 3.875 5/8 0.6563 1.000 2.125
SPB-20-OPN 1-1/4 SPB-24-OPN 1-1/2
1400 1660 2400 6260
SPB-32-OPN SPB-48-OPN
2 3
14.00 3.500 8.375 5.500 5.500 7.000
B
C
E
F
J
H
A
D
K
G
G
pbclinear.com • Engineering Your Linear Motion Solutions 45
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