INA ZARF2590-L-TV bearings
ZARF2590-L-TV, Needle roller/axial cylindrical roller bearings ZARF..-L, double direction, for screw mounting, long shaft locating washer

- Bore diameter
- 25.000 mm
- Outside diameter
- 90.000 mm
- Total width
- 75.000 mm
- Cr
- 24300 N
- C0r
- 41500 N
- Ca
- 80000 N
- C0a
- 199000 N
- Limiting speed
- 4900 r/min
- Net weight
- 1.506 kg
- Measurement system
- Metric
- Sealing
- Without
- Cage
- Plastic
- Bearing material
- Steel
- Rolling material
- Steel
- Lubricant in bearing
- Without
- Relubrication feature
- With
In stock
Technical specification for INA ZARF2590-L-TV
Part Number | ZARF2590-L-TV | |
---|---|---|
Main Dimensions & Performance Data | ||
d | 25 mm | Bore diameter |
D | 90 mm | Outside diameter |
H | 75 mm | Hight |
Ca | 80000 N | Basic dynamic load rating, axial |
C0a | 199000 N | Basic static load rating, axial |
Cr | 24300 N | Basic dynamic load rating, radial |
C0r | 41500 N | Basic static load rating, radial |
Cua | 18600 N | Fatigue load limit, axial |
Cur | 6000 N | Fatigue load limit, radial |
nG Oil | 4900 1/min | Limiting speed for oil lubrication |
nG Grease | 1400 1/min | Limiting speed for grease lubrication |
MRL | 1.6 Nm | Bearing friction torque |
m | ≈ 1.506 kg | Weight |
Mounting dimensions | ||
Da max | 63 mm | Maximum diameter of housing shoulder |
da min | 45 mm | Minimum diameter shaft shoulder |
t1 | 0.1 mm | Position bore in the housing |
Dimensions | ||
H1 | 53 mm | Height outer ring over wave washer |
C | 18 mm | Width, outer ring |
C1 | 10 mm | Distance to lubrication hole |
D1 | 62 mm | Rip diameter shaft washer |
D2 | 48 mm | Heeldiameter wave washer long |
D3 | 60 mm | Outside diameter wave washer long |
B | 12.5 mm | Width, inner ring |
B1 | 27.5 mm | Width wave washer long |
B2 | 13 mm | Width heel wave washer long |
rmin | 0.3 mm | Minimum chamfer dimension |
r1 min | 0.6 mm | Minimum chamfer dimension |
d1 | 3.2 mm | Diameter lubrication hole |
J | 73 mm | Pitch circle diameter (holes) |
n | 12 | Number of screwing holes |
n x t | 30° | Split |
Additional information | ||
CaL | 3000 N/µm | Rigidity axial |
CkL | 800 Nm/mrad | Tilting stiffness |
Mm | 4.51 kg*cm2 | Mass moment of inertia |
1µm | Axial runout | |
radial | ZMA25/58 | Recommended INA precision locknut for radial locking (not included) |
axial | AM25 | Locknut 2 |
MA | 55 Nm | Tightening torque nut |
20790 N | Preload force axial | |
48X62X8 | Sealing ring | |
M6 | Screw size | |
na | 12 | Number of screws |
na x ta | 30° | Division (screwing holes) |

INA ZARF2590-L-TV - Needle roller/axial cylindrical roller bearings ZARF..-L, double direction, for screw mounting, long shaft locating washer.
ZARF2590-L-TV INA axial/radial roller bearings for screw drives are double direction, high precision axial cylindrical roller bearings with a radial bearing component. The inner ring, outer ring and cylindrical roller and cage assemblies are matched to each other such that the bearing is axially clearance-free after preloading by means of an INA precision locknut.
ZARF2590-L-TV INA is with fixing holes in the outer ring, which is screw mounted directly on the adjacent construction. ZARF2590-L-TV have a stepped shaft locating washer extended on one side.
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