Adjustments & Curves Roller Pillow Block Bearings
Adjustments Roller Pillow Blocks are factory set for Simplicity ® 60 Plus ® shafting. Adjustments can be made to the eccentric cam follower to either increase or decrease the shaft clearance. Located on the same side of the Roller Pillow Block as the set screw, the eccentric cam follower is adjusted by using a stubby allen wrench while allowing a 0.002" feeler gauge to freely move between the shaft and the eccentric roller. The fixed side must remain in contact with the shaft. If care is taken not to overload the roller, then a slight pre- load is possible. Rollers should never be tightened to the point where they cannot move freely.
Watch the Roller Pillow Block adjustment video
Turning a Curve A single Roller Pillow Block has the ability to turn a curve or run on a non-linear system. The following table lists the minimum track radius that the single Roller Pillow Block can tolerate without additional alteration.
Pillow Block Size
Minimum Shaft Radius
8
6"
10 12 16 20 24 32 48
12" 14" 18" 36" 40" 44" 52"
Lubrication, Rails & Bearings The rollers are internally lubricated for life, but the rails must always have a layer of grease. As a guideline, reapply fresh grease every 50,000 cycles.
158 Round Shaft Technology • pbclinear.com
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