These square flanged ball bearing units consists of an insert bearing mounted in a composite housing that can be bolted to a machine wall or frame. The units have eccentric locking collar and are intended for use in applications where the direction of rotation is constant. They are chemical resistant, lightweight and strong, and are developed for bearing arrangements that must operate reliably in difficult environments for extended periods without maintenance.
| Compliance with standard |
ISO
|
| Purpose specific |
For agricultural applications, 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 |
Zinc-coated bearing
|
| d |
30 mm
|
Bore diameter |
|---|---|---|
| d1 |
≈ 39.7 mm
|
Outer diameter of inner ring |
| d2 |
44.1 mm
|
Outside diameter of locking ring |
| A |
33 mm
|
Overall width |
| A1 |
15.3 mm
|
Flange width |
| A3 |
3.2 mm
|
Depth of centring recess |
| A5 |
22 mm
|
Standout of end cover |
| B |
36.5 mm
|
Width of inner ring |
| B1 |
48.4 mm
|
Overall bearing width |
| B4 |
5.95 mm
|
Distance from locking device side face to thread centre |
| Db |
78 mm
|
Top external diameter |
| Dc |
93.7 mm
|
Diameter of housing centering recess |
| J |
82.5 mm
|
Distance between attachment bolts |
| L |
108 mm
|
Overall length |
| N |
12.3 mm
|
Diameter of attachment bolt hole |
| s1 |
30.1 mm
|
Distance from locking device side face to raceway centre |
| T |
50.1 mm
|
Overall unit width |
| Basic dynamic load rating | C |
19.5 kN
|
|---|---|---|
| Basic static load rating | C0 |
11.2 kN
|
| Fatigue load limit | Pu |
0.475 kN
|
| Limiting speed |
3 800 r/min
|
|
|
Limiting speed with shaft tolerance h6
|
| Mass bearing unit |
0.56 kg
|
| Set screw | G2 |
M8x1
|
|---|---|---|
| Hexagonal key size for set screw |
4 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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