INA ZKLF50115-2RS-XL bearings
Axial angular contact ball bearings ZKLF..-2RS, double direction, for screw mounting, lip seals on both sides

- Measurement system
- Metric
- Bore diameter
- 50.000 mm
- Outside diameter
- 115.000 mm
- Height
- 34.000 mm
- Ca
- 51000 N
- C0a
- 126000 N
- Limiting speed
- 3200 r/min
- Net weight
- 1.785 kg
- Number of rows
- 2
- Contact angle deg
- 60
- Sealing
- Contact seal on both sides
- Locating feature
- Screw mounting
- Cage
- Plastic
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Special
- Lubricant in bearing
- Grease
- Relubrication feature
- With
In stock
Technical specification for INA ZKLF50115-2RS-XL
Part Number | ZKLF50115-2RS-XL | |
---|---|---|
Replaces | ZKLF 50115.2RS , ZKLF50115-2RS | |
Main Dimensions & Performance Data | ||
d | 50 mm | Bore diameter |
0 mm | Bore diameter upper tolerance | |
-0.005 mm | Bore diameter lower tolerance | |
D | 115 mm | Outside diameter |
0 mm | Outside diameter upper tolerance | |
-0.01 mm | Outside diameter lower tolerance | |
B | 34 mm | Width |
0 mm | Width upper tolerance | |
-0.25 mm | Width lower tolerance | |
Ca | 51000 N | Basic dynamic load rating, axial |
C0a | 126000 N | Basic static load rating, axial |
Cua | 7700 N | Fatigue load limit, axial |
nG Grease | 3200 1/min | Limiting speed for grease lubrication |
n∂ | 1500 1/min | Thermally safe operating speed |
MR | 0.9 Nm | Bearing frictional torque |
m | ≈ 1.785 kg | Weight |
Mounting dimensions | ||
Da max | 82 mm | Maximum diameter of housing |
da min | 63 mm | Minimum diameter shaft |
t1 | 0.2 mm | Position tolerance of bore in the housing |
M8 | Size of fixing screws | |
na | 6 | Number of holes in adjacent construction |
ta | 60° | Pitch separation angle of holes in adjacent construction |
M6 | Connection thread for lubrication | |
Dimensions | ||
d1 | 72 mm | Rib diameter inner ring |
rmin | 0.3 mm | Minimum chamfer dimension |
r1 min | 0.6 mm | Minimum chamfer dimension |
J | 94 mm | Pitch circle diameter fixing holes |
d2 | 8.8 mm | Fixing holes diameter |
b | 3 mm | Width of extraction slot |
I | 25 mm | Distance of extraction slot |
n | 12 | Pitch quantity of fixing holes |
t | 30° | Pitch separation angle of fixing holes |
α | 60° | Contact angle |
Additional information | ||
CaL | 1250 N/µm | Rigidity axial |
CkL | 1000 Nm/mrad | Tilting rigidity |
Mm | 5.24 kg*cm2 | Mass moment of inertia |
2.5 µm | Axial runout | |
ZM50 | Recommended INA precision locknut for radial locking | |
MA | 85 Nm | Tightening torque for the recommended INA precision locknut |
16280 N | Required locknut force axial |

INA ZKLF50115-2RS-XL - Axial angular contact ball bearings ZKLF..-2RS, double direction, for screw mounting, lip seals on both sides.
ZKLF50115-2RS-XL INA angular contact ball bearings is in the X-life design. As a result of increased raceway accuracy and raceway quality, there is a significant reduction in the stress conditions present on the rolling elements and raceways under the same load, compared to the standard bearings.
- Log in to post comments
Related products

INA ZKLF50115-2Z-XL
Brand: INA
Axial angular contact ball bearings ZKLF..-2Z, double direction, for screw mounting, gap seals on both sides