Needle roller/axial cylindrical roller bearings ZARN2557-L-TV
double direction, long shaft locating washer
| B |
10 mm |
|
| B1 |
25 mm |
|
| B2 |
11 mm |
|
| C |
20 mm |
|
| D1 |
47 mm |
|
| D2 |
36 mm |
|
| D3 |
45 mm |
|
| Da max |
48 mm |
| |
Mounting dimensions
If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration. |
|
| da min |
34 mm |
| |
Mounting dimensions
If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration. |
|
| H3 |
50 mm |
|
| r1 min |
0,6 mm |
|
| rmin |
0,3 mm |
|
| m |
0,59 kg |
|
| Ca |
35500 N |
| |
Basic dynamic load rating, axial |
|
| C0a |
86000 N |
| |
Basic static load rating, axial |
|
| Cr |
22600 N |
| |
Basic dynamic load rating, radial |
|
| C0r |
36000 N |
| |
Basic static load rating, radial |
|
| nG Öl |
6000 1/min |
| |
Limiting speed for oil lubrication (valid only with adequate oil cooling) |
|
| nG Fett |
1900 1/min |
| |
Limiting speed for grease lubrication |
|
| MRL |
0,55 Nm |
| |
Bearing frictional torque |
|
| caL |
1900 N/µm |
|
| ckL |
350 Nm/mrad |
|
| Mm |
1,15 kg x cm^2 |
| |
Mass moment of inertia for rotating inner ring |
|
| |
1 µm |
| |
Axial runout
The axial runout data for screw drive bearing arrangements are based on the rotating inner ring. |
|
| |
ZMA25/45, AM25 |
| |
Designation of recommended INA locknut |
|
| MA |
25 Nm |
| |
Tightening torque
Only valid in conjunction with INA precision locknuts |
|
| |
10470 N |
|
| DR |
36 x 47 x 7 |
| |
Rotary shaft seal to DIN 3760
To be ordered separately. |
|
| |
|
| |
Locknuts and rotary shaft seal not included in delivery. |
|
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