GEEW20ETL-2RS Spherical Plain Bearings
Maintenance-free radial spherical plain bearing to ISO 12 240-1, dimension series W, sliding contact surface hard chromium/PTFE fabric, sealed
- Inner ring with cylindrical extensions at each side
- Outer ring with an axially split, non-separable
- Outer ring: bearing steel, hardened and phosphated, sliding contact surface with PTFE fabric liner
- Inner ring: bearing steel, hardened, sliding contact surface hard-chromium plated
- Lip seals on both sides, NBR seal with sheet steel insert is available on request (suffix: GS)
Properties
| Feature |
Description |
| Maintenance-free |
Maintenance |
| Hard chromium/PTFE fabric |
Sliding contact surface |
| Lip seals |
Sealing |
| Bearing steel |
Material, inner ring |
| Bearing steel |
Material, outer ring |
Dimensions
| Parameter |
Value |
Description |
| d |
20 mm |
Bore diameter |
| D |
35 mm |
Outside diameter |
| B |
20 mm |
Width inner ring |
| C |
12 mm |
Width outer ring |
| dk |
29 mm |
Ball diameter |
| a |
4 ° |
Tilt angle |
| d2 |
25 mm |
Connection measure Inner ring |
| r1 |
0.3 mm |
Chamfer dimension |
| r2 |
0.3 mm |
Chamfer dimension |
Load Capacity
| Parameter |
Value |
Description |
| Cr |
83 kN |
Basic dynamic load rating, radial |
| C0r |
139 kN |
Basic static load rating, radial |
Weight
| Parameter |
Value |
Description |
| ≈m |
0.069 kg |
Weight |
Mounting Dimensions
| Parameter |
Value |
Description |
| da max |
25 mm |
Connection measure inner ring, max. |
| Da min |
27.5 mm |
Housing connection diameter, min. |
Radial Clearance
| Parameter |
Value |
Description |
| Max. |
0.04 mm |
Radial clearance |
Tolerance
| Parameter |
Value |
Description |
| dOT |
0.021 mm |
Bore diameter, upper tolerance |
| DUT |
-0.011 mm |
Outside diameter, lower tolerance |
| BUT |
-0.21 mm |
Inner ring width, lower tolerance |
| CUT |
-0.24 mm |
Outer ring width, lower tolerance |
Temperature Range
| Parameter |
Value |
Description |
| Tmin |
-30 °C |
Operating temperature min. |
| Tmax |
130 °C |
Operating temperature max. |