Round Shaft Technology - Linear Bearings & Shafting

Roller Pillow Block Bearings

Twin Roller Pillow Block TWN-OPN The Twin Roller Pillow Block load rating is the same as the double and is a good choice when using only one Roller Pillow Block per shaft. The twin model also offers an additional pair of mounting holes.

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Dimensions and Load Ratings Inch Shafting

Shaft Diameter

DYN. Load Rating

Weight

A

B

C

D

E

F

G

H

J

K

L

Part Number

in.

lb.

lb.

±0.003 in.

in.

in.

±0.005 ±0.005

in.

Bolt

Hole

in.

in.

in.

TWN-8-OPN 1/2 TWN-10-OPN 5/8 TWN-12-OPN 3/4

800

0.80 0.687 2.000 3.50 1.156 1.688 1.00 0.875 2.500 4.00 1.406 2.125 1.20 0.937 2.750 4.50 1.563 2.375 2.30 1.187 3.254 6.00 2.000 2.875 4.40 1.500 4.000 7.50 2.563 3.500 6.50 1.750 4.750 9.00 2.875 4.125

2.50 1.000 #6 0.1563 0.240 0.313 1.500 3.00 1.063 #8 0.1875 0.270 0.375 2.125 3.50 1.063 #8 0.1875 0.300 0.438 2.500 4.50 1.375 #10 0.2188 0.360 0.688 3.750 5.50 1.750 #10 0.2188 0.424 0.813 4.625 6.50 1.875 1/4 0.2813 0.474 1.063 5.500

1000 1200 1910 2800 3320

TWN-16-OPN

1

TWN-20-OPN 1-1/4 TWN-24-OPN 1-1/2

TWN-32-OPN

2

4800 12.40 2.125 6.000 12.00 3.500 5.250 10.50 2.500 3/8 0.4063 0.600 1.375 8.250

C

F

B

J

H

F/2

E

A

D

K

G

L

G

pbclinear.com • Engineering Your Linear Motion Solutions 47

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