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USA
02:20:18 GMT+0000 (Coordinated Universal Time)
B7221-C-T-P4S-UL
Spindle bearing
Spindle bearing B72..-C, adjusted, in pairs or sets, contact angle α = 15°, restricted tolerances
Produktové informace
Metrické
Imperiální
Main Dimensions & Performance Data
d | 105 mm | Bore diameter |
D | 190 mm | |
B | 36 mm | |
Cr | 164.000 N | Basic dynamic load rating, radial |
C0r | 104.000 N | Basic static load rating, radial |
Cur | 9.000 N | Fatigue load limit, radial |
nG Grease | 7.000 1/min | Limiting speed for grease lubrication |
nG Oil | 11.000 1/min | Limiting speed for oil lubrication |
≈m | 3,89 kg | Hmotnost |
Mounting dimensions
da | 120,5 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 174,5 mm | |
Da | H12 | |
ra max | 2,1 mm | Maximum recess radius |
ra1 max | 1 mm | Maximum recess radius |
Etk min | 132,2 mm | |
Etk max | 141,2 mm | Maximum diameter injection pitch |
Etk1 min | 132,2 mm | |
Etk1 max | 141,2 mm | Maximum diameter injection pitch |
a | 37,8 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 2,1 mm | Minimum chamfer dimension |
r1 min | 2,1 mm | |
α | 15 ° | Contact angle |
Temperature range
Tmin | -30 °C | |
Tmax | 100 °C |
Additional information
FV L | 989 N | |
FV M | 3.069 N | |
FV H | 6.072 N | |
KaE L | 3.060 N | Lift-off force light |
KaE M | 10.252 N | Lift-off force medium |
KaE H | 21.655 N | Lift-off force heavy |
ca L | 131 N/µm | Axial rigidity light |
ca M | 219 N/µm | Axial rigidity medium |
ca H | 311 N/µm | Axial rigidity heavy |