These oval flanged ball bearing units are designed for high temperature applications and are compliant with ISO standards. They consist of a high temperature insert bearing, with an extended inner ring and set screw locking, and are suitable for applications where the direction of rotation is constant or alternating. The bearing is mounted in a cast iron housing, which can be bolted to a machine wall or frame. Ball bearing units can accommodate moderate initial misalignment, but normally do not permit axial displacement.
| Running in required |
Yes
|
| d |
38.1 mm
|
Shaft diameter |
|---|---|---|
| d1 |
≈ 51.8 mm
|
Shoulder diameter inner ring |
| A |
38.5 mm
|
Height housing |
| A1 |
14 mm
|
Step height |
| B |
49.2 mm
|
Width inner ring |
| B4 |
8 mm
|
Distance from locking device side face to thread centre |
| Db1 |
98 mm
|
Top external diameter |
| Db2 |
102 mm
|
Base external diameter |
| H |
171.5 mm
|
Overall width |
| J |
143.5 mm
|
Distance between attachment bolts |
| L |
102 mm
|
Overall length |
| N |
14 mm
|
Hole diameter |
| s1 |
30.2 mm
|
Distance from locking device side face to raceway centre |
| T |
54.2 mm
|
Overall width |
| Basic dynamic load rating | C |
30.7 kN
|
|---|---|---|
| Basic static load rating | C0 |
19 kN
|
| Limiting speed |
70 r/min
|
|
| Operating temperature | T |
max. 250 °C
|
| Mass bearing unit |
1.65 kg
|
| Set screw | G2 |
5/16-24 UNF
|
|---|---|---|
| Hexagonal key size for set screw |
3.969 mm
|
|
| Recommended tightening torque for set screw |
6.5 N·m
|
|
| Attachment bolts, recommended metric size | G |
12 mm
|
| Attachment bolts, recommended inch size | G |
0.5 in
|
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