Pillow (plummer) block roller bearing units and take-up roller bearing units consist of a spherical or tapered roller bearing mounted in a non-split housing that can be bolted to a support surface. The units are sealed and lubricated and ready to use. This assortment of units covers a wide range of requirements, in metric and inch dimensions.
| Metric/inch series |
Inch
|
| Bearing insert |
Spherical roller bearing
|
| Bearing position |
Non-locating
|
| Locking method |
SKF ConCentra
|
| Bearing housing seal type |
Radial lip seal
|
| Shaft diameter | da |
100 mm
|
|---|---|---|
| Collar diameter | d2 |
129.997 mm
|
| Housing width | A |
101.6 mm
|
| Width of piloting groove | A1 |
52.4 mm
|
| Width of flange in which piloting grooves are provided | A2 |
87.313 mm
|
| Inner ring width | B |
88.468 mm
|
| Overall housing height | H |
239.713 mm
|
| Distance between bottoms of piloting grooves | H1 |
219.075 mm
|
| Height of attachment end | H2 |
152.4 mm
|
| Overall length | L |
300.038 mm
|
| Distance from attachment end face to centre line of bearing | L1 |
187.325 mm
|
| Length of attachment end | L2 |
28.575 mm
|
| Length of guiding slot | L3 |
177.8 mm
|
| Diameter of attachment bolt hole | N |
53.975 mm
|
| Length of attachment slot | N1 |
53.975 mm
|
| Height of attachment slot | N2 |
85.725 mm
|
| Inner ring center to end | s1 |
45.339 mm
|
| Centre line of locating support | S |
0.794 mm
|
| Overall unit width | T |
87.313 mm
|
| Thread of grease fitting | GN |
1/8-27 NPT
|
|---|
| Fatigue load limit | Pu |
49 kN
|
|---|---|---|
| Limiting speed |
2 000 r/min
|
|
| Limiting value | e |
0.24
|
| Calculation factor | Y1 |
2.8
|
| Calculation factor | Y2 |
4.2
|
| Calculation factor | Y0 |
2.8
|
| Bearing mean diameter | dm |
139.954 mm
|
| Axial holding force of the locking mechanism | Pa |
34.9 kN
|
| Mass |
23.5 kg
|
| Set screw |
M6-1 x 16mm
|
| Tightening torque for set screws |
7.909 N·m
|
| Grease quantity for relubrication |
17 g
|
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