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 |
Set screws
|
| Bearing housing seal type |
Radial lip seal
|
| da |
36.513 mm
|
Shaft diameter |
|---|---|---|
| d2 |
62.738 mm
|
Collar outer diameter |
| A |
57.15 mm
|
Housing width |
| A1 |
12.7 mm
|
Flange thickness |
| A2 |
33.338 mm
|
Machined face to centre line bearing |
| B |
69.85 mm
|
Inner ring width |
| J |
89.713 mm
|
Bolt distance or pitch diameter |
| L |
117.475 mm
|
Housing length |
| N |
14.3 mm
|
Bolt hole diameter |
| s |
25.4 mm
|
Inner ring centre to end |
| S |
0.794 mm
|
Centre line of locating support |
| T |
76.994 mm
|
Total width |
| GN |
1/8-27 NPT
|
Thread of grease fitting |
|---|
| Basic dynamic load rating | C |
73.8 kN
|
|---|---|---|
| Basic static load rating | C0 |
81.4 kN
|
| Fatigue load limit | Pu |
9.12 kN
|
| Limiting speed |
5 100 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 |
2.29 kN
|
| Mass bearing unit |
2.45 kg
|
| Attachment bolt diameter | G |
0.5 in
|
|---|---|---|
| Set screws |
3/8-24 UNF-3A x 1/2″
|
|
| Number of set screws |
2
|
|
| Tightening torque for set screws |
28.246 N·m
|
|
| Grease quantity for relubrication |
4 g
|
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