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 |
Locating
|
| Locking method |
SKF ConCentra
|
| Bearing housing seal type |
Radial lip seal
|
| da |
38.1 mm
|
Shaft diameter |
|---|---|---|
| d2 |
65.989 mm
|
Collar outside diameter |
| A |
57.15 mm
|
Housing width |
| A1 |
15.875 mm
|
Flange width |
| B |
64.592 mm
|
Inner ring width |
| H |
155.575 mm
|
Overall height |
| H1 |
60.325 mm
|
Distance from bearing centre line to bolt holes |
| H2 |
107.95 mm
|
Distance from bearing centre line to bottom of flange |
| J |
50.8 mm
|
Bolt distance, horizontal |
| J1 |
31.75 mm
|
Bolt distance, vertical |
| L |
95.25 mm
|
Overall length |
| L1 |
82.55 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 |
| T |
65.881 mm
|
Total width |
| GN |
1/8-27 NPT
|
Thread of grease fitting |
|---|
| Basic dynamic load rating | C |
96.5 kN
|
|---|---|---|
| Basic static load rating | C0 |
90.3 kN
|
| Fatigue load limit | Pu |
9.79 kN
|
| Limiting speed |
3 800 r/min
|
|
| Limiting value | e |
0.28
|
| Calculation factor | Y1 |
2.4
|
| Calculation factor | Y2 |
3.6
|
| Calculation factor | Y0 |
2.5
|
| Bearing mean diameter | dm |
59.944 mm
|
| Axial holding force of the locking mechanism | Pa |
14.9 kN
|
| Mass |
2.45 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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