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11:25:47 GMT+0000 (Coordinated Universal Time)


ZARN2557-L-TV
Needle roller/axial cylindrical roller bearing
Needle roller/axial cylindrical roller bearings ZARN..-L, double direction, long shaft locating washer
Frequently bought together



Main Dimensions & Performance Data
| d | 25 mm | Bore diameter |
| D | 57 mm | Outside diameter |
| H | 65 mm | Hight |
| Ca | 35.500 N | Basic dynamic load rating, axial |
| C0a | 86.000 N | Basic static load rating, axial |
| Cr | 22.600 N | Basic dynamic load rating, radial |
| C0r | 36.000 N | Basic static load rating, radial |
| Cua | 7.300 N | Fatigue load limit, axial |
| Cur | 5.200 N | Fatigue load limit, radial |
| nG Oil | 6.000 1/min | Limiting speed for oil lubrication |
| nG Grease | 1.900 1/min | Limiting speed for grease lubrication |
| MRL | 0,55 Nm | Bearing friction torque |
| ≈m | 0,592 kg | Weight |
Mounting dimensions
| Da max | 48 mm | Maximum diameter of housing shoulder |
| da min | 34 mm | Minimum diameter shaft shoulder |
Dimensions
| H1 | 50 mm | Height outer ring over wave washer |
| C | 20 mm | Width, outer ring |
| D1 | 47 mm | Rip diameter shaft washer |
| D2 | 36 mm | Heeldiameter wave washer long |
| D3 | 45 mm | Outside diameter wave washer long |
| B | 10 mm | Width, inner ring |
| B1 | 25 mm | Width wave washer long |
| B2 | 12 mm | Width heel wave washer long |
| rmin | 0,3 mm | Minimum chamfer dimension |
| r1 min | 0,6 mm | Minimum chamfer dimension |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 120 °C | Operating temperature max. |
Additional information
| caL | 1.900 N/µm | Rigidity axial |
| ckL | 350 Nm/mrad | Tilting stiffness |
| Mm | 1,15 kg*cm2 | Mass moment of inertia |
1 µm | Axial runout | |
| radial | ZMA25/45 | Recommended INA precision locknut for radial locking (not included) |
| axial | AM25 | Recommended INA precision locknut for axial locking (not included) |
| MA | 25 Nm | Tightening torque nut |
9.745 N | Required locknut force | |
36X47X7 | Rotary shaft seal to DIN 3760 (not included) |
Downloads:
Your current product variant
| Cage | TV | Plastic Cage made from PA66 |
| Locating Feature , bearing outer ring | L | Stepped shaft locating washer extended on one side |
Characteristics


