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14:35:23 GMT+0000 (Coordinated Universal Time)
B71921-E-2RSD-T-P4S-UL
Spindle bearing
Spindle bearing B719..-E-2RSD, adjusted, in pairs or sets, contact angle α = 25°, lip seals on both sides, non-contact, restricted tolerances
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 105 mm | Bore diameter |
D | 145 mm | Outside diameter |
B | 20 mm | Width |
Cr | 57,000 N | Basic dynamic load rating, radial |
C0r | 42,500 N | Basic static load rating, radial |
Cur | 4,050 N | Fatigue load limit, radial |
nG Grease | 8,000 1/min | Limiting speed for grease lubrication |
≈m | 0.82 kg | Weight |
Mounting dimensions
da | 112 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 138 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 0.6 mm | Maximum recess radius |
ra1 max | 0.6 mm | Maximum recess radius |
a | 39.1 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 1.1 mm | Minimum chamfer dimension |
r1 min | 1.1 mm | Minimum chamfer dimension |
α | 25 ° | Contact angle |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 80 °C | Operating temperature max. |
Additional information
FV L | 450 N | Preload force light |
FV M | 1,616 N | Preload force medium |
FV H | 3,417 N | Preload force heavy |
KaE L | 1,305 N | Lift-off force light |
KaE M | 4,839 N | Lift-off force medium |
KaE H | 10,556 N | Lift-off force heavy |
ca L | 219 N/µm | Axial rigidity light |
ca M | 353 N/µm | Axial rigidity medium |
ca H | 479 N/µm | Axial rigidity heavy |