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 | 69.85 mm | Bore diameter |
D | 111.125 mm | Outside diameter |
B | 104.775 mm | Width inner ring |
C | 52.375 mm | Width outer ring |
dk | 100 mm | Ball diameter |
a | 9 ° | Tilt angle |
d2 | 85.852 mm | Connection measure Inner ring |
r1 | 1 mm | Chamfer dimension |
r2 | 1 mm | Chamfer dimension |
Cr | 415 kN | Basic dynamic load rating, radial |
C0r | 1250 kN | Basic static load rating, radial |
≈m | 2.9 kg | Weight |
da min | 76.2 mm | Connection measure inner ring, min. |
da max | 85.9 mm | Connection measure inner ring, max. |
Da min | 96 mm | Housing connection diameter, min. |
Da max | 105.7 mm | Housing Shoulder diameter, max. |
ra min | 1 mm | Fillet radius shaft, min |
rb max | 1 mm | Fillet radius housing, max. |
Min. | 0.1016 mm | Radial clearance |
Max. | 0.2032 mm | Radial clearance |
dUT | -0.0152 mm | Bore diameter,lower tolerance |
DUT | -0.0203 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 |
GEZM212ES-2RS | B44-ELSS | B12-ELSS | GEWZ044ES-2RS | GEWZ69ES-2RS |