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 |
Tapered roller bearing
|
| Bearing position |
Locating
|
| Locking method |
Set screws
|
| Bearing housing seal type |
Heavy-duty seal
|
| da |
80.963 mm
|
Shaft diameter |
|---|---|---|
| d2 |
130.175 mm
|
Collar diameter |
| A |
88.9 mm
|
Housing width |
| B |
127 mm
|
Inner ring width |
| H |
244.475 mm
|
Overall housing height |
| H1 |
211.138 mm
|
Distance between bottoms of piloting grooves |
| L1 |
241.3 mm
|
Housing length |
| L2 |
228.6 mm
|
Housing length |
| GN |
1/8-27 NPT
|
Thread of grease fitting |
|---|
| Basic dynamic load rating | C |
272 kN
|
|---|---|---|
| Basic static load rating | C0 |
430 kN
|
| Fatigue load limit | Pu |
47.5 kN
|
| Comparative load rating | CF |
73.5 kN
|
| Limiting speed |
1 550 r/min
|
|
| Limiting value | e |
0.5
|
| Calculation factor | Y1 |
1.35
|
| Calculation factor | Y2 |
2
|
| Calculation factor | Y0 |
1.3
|
| Bearing mean diameter | dm |
121.435 mm
|
| Axial holding force of the locking mechanism | Pa |
23.4 kN
|
| Mass |
19.3 kg
|
| Set screw |
1/2-13
|
| Tightening torque for set screws |
69.486 N·m
|
| Grease quantity for relubrication |
17 g
|
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