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13:18:35 GMT+0000 (Coordinated Universal Time)
HCB7220-E-T-P4S-UL
Spindle bearing
Spindle bearing HCB72..-E, adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, restricted tolerances
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 100 mm | Bore diameter |
D | 180 mm | Outside diameter |
B | 34 mm | Width |
Cr | 129,000 N | Basic dynamic load rating, radial |
C0r | 80,000 N | Basic static load rating, radial |
Cur | 5,400 N | Fatigue load limit, radial |
nG Grease | 8,000 1/min | Limiting speed for grease lubrication |
nG Oil | 13,000 1/min | Limiting speed for oil lubrication |
≈m | 2.88 kg | Weight |
Mounting dimensions
da | 114.5 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 165.5 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 2.1 mm | Maximum recess radius |
ra1 max | 1 mm | Maximum recess radius |
Etk min | 126.6 mm | Minimum diameter injection pitch |
Etk max | 134.4 mm | Maximum diameter injection pitch |
Etk1 min | 126.6 mm | Minimum diameter injection pitch |
Etk1 max | 134.4 mm | Maximum diameter injection pitch |
a | 49.6 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 2.1 mm | Minimum chamfer dimension |
r1 min | 2.1 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 | 627 N | Preload force light |
FV M | 2,198 N | Preload force medium |
FV H | 4,619 N | Preload force heavy |
KaE L | 1,806 N | Lift-off force light |
KaE M | 6,466 N | Lift-off force medium |
KaE H | 13,894 N | Lift-off force heavy |
ca L | 255 N/µm | Axial rigidity light |
ca M | 402 N/µm | Axial rigidity medium |
ca H | 535 N/µm | Axial rigidity heavy |