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INA ZARN2557TN Ball screw support bearing
MODEL ZARN2557TN
$1,409.45 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
I.D.
0.984
O.D.
2.244
Specifications
| d | 25 mm | |
|---|---|---|
| D | 57 mm | |
| H | 50 mm |
| B | 10 mm | |
|---|---|---|
| C | 20 mm | |
| D 1 | 47 mm | |
| D a max | 48 mm | Mounting dimensions If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration. |
| d a min | 39 mm | Mounting dimensions If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration. |
| H 1 | 35 mm | |
| r 1 min | 0,6 mm | |
| r min | 0,3 mm |
| m | 0,53 kg | Mass |
|---|---|---|
| C a | 35500 N | Basic dynamic load rating, axial |
| C 0a | 86000 N | Basic static load rating, axial |
| C r | 22600 N | Basic dynamic load rating, radial |
| C 0r | 36000 N | Basic static load rating, radial |
| n G Öl | 6000 1/min | Limiting speed for oil lubrication (valid only with adequate oil cooling) |
| n G Fett | 1900 1/min | Limiting speed for grease lubrication |
| M RL | 0,55 Nm | Bearing frictional torque |
| c aL | 1900 N/µm | Axial rigidity |
| c kL | 350 Nm/mrad | Tilting rigidity |
| M m | 0,99 kg x cm^2 | Mass moment of inertia for rotating inner ring |
| 1 µm | Axial run out The axial run out data for screw drive bearing arrangements are based on the rotating inner ring. | |
| ZMA25/45 | Designation of recommended INA locknut | |
| AM25 | Designation of recommended INA locknut | |
| M A | 25 Nm | Tightening torque Only valid in conjunction with INA precision locknuts |
| 10470 N | Axial preload force | |
| Locknuts not included in delivery. |
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