These square flanged ball bearing units are designed especially for the food and beverage industries. They consist of an insert bearing, with a narrow 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 on both sides and flinger on one side
|
| Sealing type, bearing |
Contact, gutter
|
| Sealing, unit |
End cover and back seal
|
| Coating |
Without
|
| d |
38.1 mm
|
Bore diameter |
|---|---|---|
| d1 |
≈ 51.8 mm
|
Outer diameter of inner ring |
| A |
38.9 mm
|
Overall width |
| A1 |
14.3 mm
|
Flange width |
| A5 |
68.8 mm
|
Standout of end cover |
| B |
40.7 mm
|
Width of inner ring |
| B4 |
10 mm
|
Distance from locking device side face to thread centre |
| Dc |
88 mm
|
Diameter of housing centering recess |
| Ha |
5 mm
|
Depth of housing centering recess |
| J |
83 mm
|
Distance between attachment bolts |
| L |
110 mm
|
Overall length |
| N |
11.5 mm
|
Diameter of attachment bolt hole |
| s1 |
30.2 mm
|
Distance from locking device side face to raceway centre |
| T |
53.2 mm
|
Overall unit width |
| Basic dynamic load rating | C |
24.7 kN
|
|---|---|---|
| Basic static load rating | C0 |
19 kN
|
| Fatigue load limit | Pu |
0.8 kN
|
| Limiting speed |
500 r/min
|
| Mass bearing unit |
1.75 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
|
|
| Recommended diameter for attachment bolts, mm | G |
10 mm
|
| Recommended diameter for attachment bolts, inch | G |
0.375 in
|
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