Flanged roller bearing units consist of an insert bearing mounted in a cast housing that can be bolted to a machine wall or frame. In addition to being part of a unit, some flanged housings for insert bearings are available as separate components. The SKF assortment includes roller bearing units compliant with several industrial standards, meeting many requirements regarding bolt patterns and mechanisms for locking onto on the shaft.
| Metric/inch series |
Inch
|
| Bearing insert |
Spherical roller bearing
|
| Bearing position |
Non-locating
|
| Locking method |
SKF ConCentra
|
| Bearing housing seal type |
Radial lip seal
|
| da |
50 mm
|
Shaft diameter |
|---|---|---|
| d2 |
75.997 mm
|
Collar outside diameter |
| A |
57.15 mm
|
Housing width |
| A1 |
14.288 mm
|
Flange width |
| B |
64.592 mm
|
Inner ring width |
| H |
185.738 mm
|
Overall height |
| H1 |
74.625 mm
|
Distance from bearing centre line to bolt holes |
| H2 |
131.763 mm
|
Distance from bearing centre line to bottom of flange |
| J |
69.85 mm
|
Bolt distance, horizontal |
| J1 |
41.275 mm
|
Bolt distance, vertical |
| L |
107.95 mm
|
Overall length |
| L1 |
101.6 mm
|
Flange length |
| N |
14.288 mm
|
Diameter of attachment bolt hole |
| s1 |
32.004 mm
|
Distance from locking device side face to bearing centre |
| S |
0.794 mm
|
Axial displacement |
| T |
64.294 mm
|
Total width |
| GN |
1/8-27 NPT
|
Thread of grease fitting |
|---|
| Basic dynamic load rating | C |
104 kN
|
|---|---|---|
| Basic static load rating | C0 |
107 kN
|
| Fatigue load limit | Pu |
11.8 kN
|
| Limiting speed |
3 300 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 |
70.104 mm
|
| Axial holding force of the locking mechanism | Pa |
14.9 kN
|
| Mass |
3.08 kg
|
| Attachment bolt diameter | G |
12.7 mm
|
|---|---|---|
| Set screws |
M6-1 x 16mm
|
|
| Number of set screws |
3
|
|
| Recommended tightening torque for set screws |
7.909 N·m
|
|
| Grease quantity for relubrication |
4 g
|
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