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03:05:11 GMT+0000 (Coordinated Universal Time)
B7028-C-2RSD-T-P4S-UL
Spindle bearing
Spindle bearing B70..-C-2RSD, adjusted, in pairs or sets, contact angle α = 15°, lip seals on both sides, non-contact, restricted tolerances
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 140 mm | Bore diameter |
D | 210 mm | Outside diameter |
B | 33 mm | Width |
Cr | 153,000 N | Basic dynamic load rating, radial |
C0r | 114,000 N | Basic static load rating, radial |
Cur | 9,100 N | Fatigue load limit, radial |
nG Grease | 6,300 1/min | Limiting speed for grease lubrication |
≈m | 3.47 kg | Weight |
Mounting dimensions
da | 152 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 199 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 2 mm | Maximum recess radius |
ra1 max | 1 mm | Maximum recess radius |
a | 39.9 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 2 mm | Minimum chamfer dimension |
r1 min | 2 mm | Minimum chamfer dimension |
α | 15 ° | Contact angle |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 80 °C | Operating temperature max. |
Additional information
FV L | 866 N | Preload force light |
FV M | 2,724 N | Preload force medium |
FV H | 5,429 N | Preload force heavy |
KaE L | 2,661 N | Lift-off force light |
KaE M | 9,007 N | Lift-off force medium |
KaE H | 19,129 N | Lift-off force heavy |
ca L | 142 N/µm | Axial rigidity light |
ca M | 237 N/µm | Axial rigidity medium |
ca H | 335 N/µm | Axial rigidity heavy |