81140 M
Single row cylindrical roller thrust bearing, single directionSingle row cylindrical roller thrust bearings are designed to accommodate heavy axial loads and peak loads in one direction, but not radial loads. They provide a high degree of stiffness and require little axial space. They are mainly used in applications where thrust ball bearings do not have sufficient load carrying capacity. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
- High axial load carrying capacity
- High stiffness
- Long service life
- Require little axial space
- Separable design
Description
Dimensions
d | 200 mm | Bore diameter |
---|---|---|
D | 250 mm | Outside diameter |
H | 37 mm | Height |
d1 | 247 mm | Outside diameter shaft washer |
D1 | 203 mm | Bore diameter housing washer |
B | 11 mm | Height shaft washer |
r1,2 | min. 1.1 mm | Chamfer dimension housing washer |
Abutment dimensions
da | min. 243 mm | Abutment diameter shaft |
---|---|---|
Da | max. 206 mm | Abutment diameter housing |
ra | max. 1.1 mm | Fillet radius |
Calculation data
Basic dynamic load rating | C | 310 kN |
---|---|---|
Basic static load rating | C0 | 1 500 kN |
Fatigue load limit | Pu | 125 kN |
Reference speed | 700 r/min | |
Limiting speed | 1 400 r/min | |
Minimum axial load factor | A | 0.18 |
Mass
Mass bearing | 4.95 kg |
Tolerances and clearances
Bearing data, Design considerations
Bearing interfaces