Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and one on the inner ring, NJ design bearings can accommodate axial displacement in one direction. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
| SKF performance class |
SKF Explorer
|
| d |
17 mm
|
Bore diameter |
|---|---|---|
| D |
40 mm
|
Outside diameter |
| B |
16 mm
|
Width |
| d1 |
≈ 25 mm
|
Shoulder diameter of inner ring |
| D1 |
≈ 32.35 mm
|
Shoulder diameter of outer ring |
| F |
22.1 mm
|
Raceway diameter of inner ring |
| r1,2 |
min. 0.6 mm
|
Chamfer dimension |
| r3,4 |
min. 0.3 mm
|
Chamfer dimension |
| s |
max. 1.5 mm
|
Permissible axial displacement |
| da |
min. 20.7 mm
|
Diameter of spacer sleeve |
|---|---|---|
| da |
max. 21.1 mm
|
Diameter of spacer sleeve |
| db |
min. 27 mm
|
Diameter of shaft abutment |
| Da |
max. 36 mm
|
Diameter of housing abutment |
| ra |
max. 0.6 mm
|
Radius of fillet |
| Basic dynamic load rating | C |
27.5 kN
|
|---|---|---|
| Basic static load rating | C0 |
21.6 kN
|
| Fatigue load limit | Pu |
2.65 kN
|
| Reference speed |
20 000 r/min
|
|
| Limiting speed |
22 000 r/min
|
|
| Minimum load factor | kr |
0.2
|
| Limiting value | e |
0.3
|
| Calculation factor | Y |
0.4
|
| Mass |
0.093 kg
|
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