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United States
06:59:20 GMT+0000 (Coordinated Universal Time)
B7236-E-T-P4S-UL
Spindle bearing
Spindle bearing B72..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 180 mm | Bore diameter |
D | 320 mm | Outside diameter |
B | 52 mm | Width |
Cr | 295,000 N | Basic dynamic load rating, radial |
C0r | 260,000 N | Basic static load rating, radial |
Cur | 17,300 N | Fatigue load limit, radial |
nG Grease | 3,400 1/min | Limiting speed for grease lubrication |
nG Oil | 5,000 1/min | Limiting speed for oil lubrication |
≈m | 16.3 kg | Weight |
Mounting dimensions
da | 213.5 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 286.5 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 3 mm | Maximum recess radius |
ra1 max | 3 mm | Maximum recess radius |
Etk min | 227.1 mm | Minimum diameter injection pitch |
Etk max | 240.4 mm | Maximum diameter injection pitch |
Etk1 min | 227.1 mm | Minimum diameter injection pitch |
Etk1 max | 240.4 mm | Maximum diameter injection pitch |
a | 84.3 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 4 mm | Minimum chamfer dimension |
r1 min | 4 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 | 2,957 N | Preload force light |
FV M | 9,444 N | Preload force medium |
FV H | 19,266 N | Preload force heavy |
KaE L | 8,585 N | Lift-off force light |
KaE M | 28,184 N | Lift-off force medium |
KaE H | 59,117 N | Lift-off force heavy |
ca L | 475 N/µm | Axial rigidity light |
ca M | 733 N/µm | Axial rigidity medium |
ca H | 976 N/µm | Axial rigidity heavy |