Inch series radial spherical plain bearings with an extended inner ring, requiring maintenance, steel/steel, sealed
Requiring maintenance | Maintenance | |
Steel/Steel | Sliding contact surface | |
Lip seals | Sealing | |
Bearing steel | Material, inner ring | |
Bearing steel | Material, outer ring |
d | 31.75 mm | Bore diameter |
D | 50.8 mm | Outside diameter |
B | 47.625 mm | Width inner ring |
C | 23.8 mm | Width outer ring |
dk | 45.5 mm | Ball diameter |
a | 9 ° | Tilt angle |
d2 | 38.725 mm | Connection measure Inner ring |
r1 | 0.6 mm | Chamfer dimension |
r2 | 0.6 mm | Chamfer dimension |
Cr | 86 kN | Basic dynamic load rating, radial |
C0r | 260 kN | Basic static load rating, radial |
≈m | 0.271 kg | Weight |
da min | 35.8 mm | Connection measure inner ring, min. |
da max | 38.7 mm | Connection measure inner ring, max. |
Da min | 44.8 mm | Housing connection diameter, min. |
Da max | 47 mm | Housing Shoulder diameter, max. |
ra min | 0.6 mm | Fillet radius shaft, min |
rb max | 0.6 mm | Fillet radius housing, max. |
Min. | 0.0762 mm | Radial clearance |
Max. | 0.1778 mm | Radial clearance |
dUT | -0.0127 mm | Bore diameter,lower tolerance |
DUT | -0.0127 mm | Outside diameter,lower tolerance |
BUT | -0.127 mm | Inner ring width,lower tolerance |
CUT | -0.127 mm | Outer ring width, lower tolerance |
Tmin | -30 °C | Operating temperature min. |
Tmax | 130 °C | Operating temperature max. |
SKF | INA | RBC | AURORA | THK |
GEZM104ES-2RS | B20-ELSS | B12-ELSS | GEWZ020ES-2RS | GEWZ31ES-2RS |