Single row needle roller bearings incorporate cylindrical rollers that are small in diameter relative to their length. Owing to their large number of rollers, the bearings have a high load carrying capacity. The outer ring includes two integral flanges to guide the bearing axially and an annular groove with one or more lubrication holes to facilitate relubrication. The inner ring contains an additional lubrication hole.
| d |
25 mm
|
Bore diameter |
|---|---|---|
| D |
42 mm
|
Outside diameter |
| B |
18 mm
|
Width |
| C |
17 mm
|
Width outer ring |
| F |
30 mm
|
Raceway diameter inner ring |
| r1,2 |
min. 0.3 mm
|
Chamfer dimension outer ring |
| s |
max. 0.5 mm
|
Permissible axial displacement from the normal position of one bearing ring relative to the other |
| da |
min. 27 mm
|
Smallest permissible abutment diameter shaft, bearings with flanges |
|---|---|---|
| Da |
max. 40 mm
|
Abutment diameter housing (with flanges) |
| ra |
max. 0.3 mm
|
Fillet radius |
| Basic dynamic load rating | C |
21.6 kN
|
|---|---|---|
| Basic static load rating | C0 |
27.5 kN
|
| Fatigue load limit | Pu |
3.25 kN
|
| Limiting speed |
6 300 r/min
|
| Mass bearing |
0.09 kg
|
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