Square flanged roller bearing units consist of a spherical roller bearing mounted in a cast iron housing that can be bolted to a machine wall. They are robust, ready-to-mount units that are assembled, lubricated and sealed at the factory for maximum service life. The simple installation, easy alignment and reliable locking technology of SKF ConCentra units contribute to a smooth operation.
| 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 |
55.563 mm
|
Shaft diameter |
|---|---|---|
| d2 |
81.001 mm
|
Collar outer diameter |
| A |
61.913 mm
|
Housing width |
| A1 |
14.288 mm
|
Flange thickness |
| A2 |
34.925 mm
|
Machined face to centre line bearing |
| B |
65.608 mm
|
Inner ring width |
| J |
114.3 mm
|
Bolt distance or pitch diameter |
| L |
149.225 mm
|
Housing length |
| N |
17.463 mm
|
Bolt hole diameter |
| s |
32.588 mm
|
Inner ring centre to end |
| S |
0.794 mm
|
Centre line of locating support |
| T |
67.469 mm
|
Total width |
| GN |
1/8-27 NPT
|
Thread of grease fitting |
|---|
| Basic dynamic load rating | C |
125 kN
|
|---|---|---|
| Basic static load rating | C0 |
127 kN
|
| Fatigue load limit | Pu |
13.7 kN
|
| Limiting speed |
3 100 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 |
77.47 mm
|
| Axial holding force of the locking mechanism | Pa |
14.9 kN
|
| Mass bearing unit |
4.58 kg
|
| Attachment bolt diameter | G |
0.625 in
|
|---|---|---|
| Set screws |
M6-1 x 16mm
|
|
| Number of set screws |
3
|
|
| Tightening torque for set screws |
7.909 N·m
|
|
| Grease quantity for relubrication |
5 g
|
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