Flanged ball bearing units consisting of an insert bearing mounted in a composite or cast metal housing that can be bolted to a machine wall or frame. In addition to being part of a unit, some flanged housings for insert bearings are available as separate components. The SKF assortment includes ball bearing units compliant with several industrial standards, meeting many requirements regarding bolt patterns and mechanisms for locking onto the shaft.
| 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 |
20 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
|
Width including end cover |
| B |
25.3 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 |
| H |
111.9 mm
|
Overall height |
| Ha |
6 mm
|
Depth of housing centering recess |
| J |
89.7 mm
|
Distance between attachment bolts |
| L |
61.5 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 |
700 r/min
|
| Mass bearing unit |
0.48 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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