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11:17:14 GMT+0000 (Coordinated Universal Time)
B71909-C-T-P4S-UL
Spindle bearing
Spindle bearing B719..-C, adjusted, in pairs or sets, contact angle α = 15°, restricted tolerances
Replaces
B71909C.T.P4S.UL, B71909C.TPA.P4.UL
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 45 mm | Bore diameter |
D | 68 mm | Outside diameter |
B | 12 mm | Width |
Cr | 19,100 N | Basic dynamic load rating, radial |
C0r | 11,200 N | Basic static load rating, radial |
Cur | 1,180 N | Fatigue load limit, radial |
nG Grease | 20,000 1/min | Limiting speed for grease lubrication |
nG Oil | 32,000 1/min | Limiting speed for oil lubrication |
≈m | 126.86 g | Weight |
Mounting dimensions
da | 50 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 63.5 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 0.6 mm | Maximum recess radius |
ra1 max | 0.15 mm | Maximum recess radius |
Etk min | 52.3 mm | Minimum diameter injection pitch |
Etk max | 54.5 mm | Maximum diameter injection pitch |
Etk1 min | 52.3 mm | Minimum diameter injection pitch |
Etk1 max | 54.5 mm | Maximum diameter injection pitch |
a | 13.6 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 0.6 mm | Minimum chamfer dimension |
r1 min | 0.6 mm | Minimum chamfer dimension |
α | 15 ° | Contact angle |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 100 °C | Operating temperature max. |
Additional information
FV L | 88 N | Preload force light |
FV M | 307 N | Preload force medium |
FV H | 628 N | Preload force heavy |
KaE L | 270 N | Lift-off force light |
KaE M | 1,027 N | Lift-off force medium |
KaE H | 2,251 N | Lift-off force heavy |
ca L | 44 N/µm | Axial rigidity light |
ca M | 78 N/µm | Axial rigidity medium |
ca H | 112 N/µm | Axial rigidity heavy |