These square flanged ball bearing units are designed especially for the food and beverage industries. They consist of an 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 stainless steel 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 |
Not standardized
|
| Purpose specific |
For food and beverage applications
|
| Material, housing |
Stainless steel
|
| Sealing, bearing |
Seal and flinger on both sides
|
| Sealing type, bearing |
Contact, gutter
|
| Sealing, unit |
Optional end cover
|
| Coating |
Without
|
| d |
19.05 mm
|
Bore diameter |
|---|---|---|
| d1 |
≈ 28.2 mm
|
Outer diameter of inner ring |
| A |
25.8 mm
|
Overall width |
| A1 |
11.1 mm
|
Flange width |
| A5 |
52.9 mm
|
Standout of end cover |
| B |
31 mm
|
Width of inner ring |
| B4 |
4.5 mm
|
Distance from locking device side face to thread centre |
| Dc |
52 mm
|
Diameter of housing centering recess |
| Ha |
6 mm
|
Depth of housing centering recess |
| J |
63.5 mm
|
Distance between attachment bolts |
| L |
85.7 mm
|
Overall length |
| N |
11.1 mm
|
Diameter of attachment bolt hole |
| s1 |
18.3 mm
|
Distance from locking device side face to raceway centre |
| T |
33.6 mm
|
Overall unit width |
| Basic dynamic load rating | C |
10.8 kN
|
|---|---|---|
| Basic static load rating | C0 |
6.55 kN
|
| Fatigue load limit | Pu |
0.28 kN
|
| Limiting speed |
5 000 r/min
|
|
|
Limiting speed with shaft tolerance h6
|
| Mass bearing unit |
0.7 kg
|
| Set screw | G2 |
1/4-28 UNF
|
|---|---|---|
| Hexagonal key size for set screw |
3.175 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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