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INA ZARF55145LTN Ball screw support bearing
MODEL ZARF55145LTN
$4,042.29 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
I.D.
2.165
O.D.
5.709
Specifications
| d | 55 mm | |
|---|---|---|
| D | 145 mm | |
| H 2 | 103 mm |
| 6) | Mounting dimension for seal carrier assembly DRS. Seal carriers: see under "Accessories". | |
|---|---|---|
| B | 17,5 mm | |
| B 1 | 38,5 mm | |
| B 2 | 14 mm | |
| C | 22,5 mm | |
| C 1 | 12,5 mm | |
| D 1 | 100 mm | |
| D 2 | 80 mm | |
| D 3 | 98 mm | |
| D a max | 101 mm | Mounting dimensions If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration. |
| d 1 | 6 mm | |
| d a min | 78 mm | Mounting dimensions If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration. |
| H 3 | 72 mm | |
| J | 118 mm | |
| r 1 min | 0,6 mm | |
| r min | 0,3 mm |
| m | 5 kg | Mass |
|---|---|---|
| C a | 177000 N | Basic dynamic load rating, axial |
| C 0a | 500000 N | Basic static load rating, axial |
| C r | 44000 N | Basic dynamic load rating, radial |
| C 0r | 98000 N | Basic static load rating, radial |
| n G Öl | 2900 1/min | Limiting speed for oil lubrication (valid only with adequate oil cooling) |
| n G Fett | 1000 1/min | Limiting speed for grease lubrication |
| M RL | 4 Nm | Bearing frictional torque |
| c aL | 4900 N/µm | Axial rigidity |
| c kL | 3600 Nm/mrad | Tilting rigidity |
| M m | 43 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. | |
| 12 | Quantity of fixing screws to DIN 912-10. 9Screws not included in delivery. | |
| M10 | Size of fixing screws to DIN 912-10. 9Tightening torque of fixing screws according to manufacturer's data. Screws not included in delivery. | |
| ZMA55/98 | Designation of recommended INA locknut | |
| AM55 | Designation of recommended INA locknut | |
| M A | 220 Nm | Tightening torque Only valid in conjunction with INA precision locknuts |
| 40772 N | Axial preload force | |
| DR | 80X100X10 | Rotary shaft seal to DIN 3760To be ordered separately. |
| Locknuts, rotary shaft seal and fixing screws not included in delivery. |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
