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21:58:14 GMT+0000 (Coordinated Universal Time)
B71902-E-T-P4S-UL
Spindle bearing
Spindle bearing B719..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
Replaces
B71902E.T.P4S.UL, B71902E.TPA.P4.UL
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 15 mm | Bore diameter |
D | 28 mm | Outside diameter |
B | 7 mm | Width |
Cr | 4.850 N | Basic dynamic load rating, radial |
C0r | 1.940 N | Basic static load rating, radial |
Cur | 205 N | Fatigue load limit, radial |
nG Grease | 50.000 1/min | Limiting speed for grease lubrication |
nG Oil | 75.000 1/min | Limiting speed for oil lubrication |
≈m | 16 g | Weight |
Mounting dimensions
da | 18 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 25,5 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 0,3 mm | Maximum recess radius |
ra1 max | 0,1 mm | Maximum recess radius |
Etk min | 19,9 mm | Minimum diameter injection pitch |
Etk max | 20,9 mm | Maximum diameter injection pitch |
Etk1 min | 19,9 mm | Minimum diameter injection pitch |
Etk1 max | 20,9 mm | Maximum diameter injection pitch |
a | 8,6 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 0,3 mm | Minimum chamfer dimension |
r1 min | 0,3 mm | Minimum chamfer dimension |
α | 25 ° | Contact angle |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 100 °C | Operating temperature max. |
Additional information
FV L | 22 N | Preload force light |
FV M | 111 N | Preload force medium |
FV H | 255 N | Preload force heavy |
KaE L | 64 N | Lift-off force light |
KaE M | 336 N | Lift-off force medium |
KaE H | 805 N | Lift-off force heavy |
ca L | 35 N/µm | Axial rigidity light |
ca M | 65 N/µm | Axial rigidity medium |
ca H | 92 N/µm | Axial rigidity heavy |