These oval flanged ball bearing units are compliant with ISO standards. The unit consists of an insert bearing, with an extended inner ring and set screw locking, and is suitable for applications where the direction of rotation is constant or alternating. The bearing is mounted in a composite 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.
| Compliance with standard |
ISO
|
| Purpose specific |
For material handling applications
|
| Material, housing |
Composite
|
| Sealing, bearing |
Seal and flinger on both sides
|
| Sealing type, bearing |
Contact, multiple
|
| Sealing, unit |
Optional end cover
|
| Coating |
Without
|
| d |
25 mm
|
Bore diameter |
|---|---|---|
| d1 |
≈ 33.74 mm
|
Outer diameter of inner ring |
| A |
30 mm
|
Overall width |
| A1 |
15 mm
|
Flange width |
| A3 |
3.2 mm
|
Depth of centring recess |
| A5 |
20 mm
|
Width including end cover |
| B |
34.1 mm
|
Width of inner ring |
| B1 |
34.1 mm
|
Overall bearing width |
| B4 |
5 mm
|
Distance from locking device side face to thread centre |
| Db |
65 mm
|
Top external diameter |
| Dc |
63.5 mm
|
Diameter of housing centering recess |
| H |
124 mm
|
Overall height |
| J |
99 mm
|
Distance between attachment bolts |
| L |
70 mm
|
Overall length |
| N |
12.3 mm
|
Diameter of attachment bolt hole |
| s1 |
19.8 mm
|
Distance from locking device side face to raceway centre |
| T |
38.8 mm
|
Overall unit width |
| Basic dynamic load rating | C |
14 kN
|
|---|---|---|
| Basic static load rating | C0 |
7.8 kN
|
| Fatigue load limit | Pu |
0.335 kN
|
| Limiting speed |
4 300 r/min
|
|
|
Limiting speed with shaft tolerance h6
|
| Mass bearing unit |
0.29 kg
|
| Set screw | G2 |
M6x0.75
|
|---|---|---|
| Hexagonal key size for set screw |
3 mm
|
|
| Recommended tightening torque for set screw |
4 N·m
|
|
| Recommended diameter for attachment bolts, mm | G |
10 mm
|
| Recommended diameter for attachment bolts, inch | G |
0.375 in
|
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