Square flanged roller bearing units consist of a tapered 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. Set screw units use a locking collar design to firmly secure the bearing inner ring to the shaft. Mounting is quick and easy.
| Metric/inch series |
Inch
|
| Bearing insert |
Tapered roller bearing
|
| Bearing position |
Locating
|
| Locking method |
Set screws
|
| Bearing housing seal type |
Heavy-duty seal
|
| da |
35 mm
|
Shaft diameter |
|---|---|---|
| d2 |
59.531 mm
|
Collar outer diameter |
| A |
65.881 mm
|
Housing width |
| A1 |
26.988 mm
|
Flange thickness |
| A2 |
39.688 mm
|
Machined face to centre line bearing |
| B |
76.2 mm
|
Inner ring width |
| J |
88.9 mm
|
Bolt distance or pitch diameter |
| L |
117.475 mm
|
Housing length |
| N |
14.288 mm
|
Bolt hole diameter |
| s |
38.1 mm
|
Inner ring centre to end |
| T |
77.788 mm
|
Total width |
| GN |
1/8-27 NPT
|
Thread of grease fitting |
|---|
| Basic dynamic load rating | C |
82.5 kN
|
|---|---|---|
| Basic static load rating | C0 |
104 kN
|
| Fatigue load limit | Pu |
11.4 kN
|
| Comparative radial load rating | CF |
22 kN
|
| Limiting speed |
3 800 r/min
|
|
| Limiting value | e |
0.44
|
| Calculation factor | Y1 |
1.5
|
| Calculation factor | Y2 |
2.3
|
| Calculation factor | Y0 |
1.4
|
| Bearing mean diameter | dm |
52.667 mm
|
| Axial holding force of the locking mechanism | Pa |
11.7 kN
|
| Mass bearing unit |
2.68 kg
|
| Attachment bolt diameter | G |
0.5 in
|
|---|---|---|
| Set screws |
5/16-18
|
|
| Number of set screws |
4
|
|
| Tightening torque for set screws |
17.513 N·m
|
|
| Grease quantity for relubrication |
5.7 g
|
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