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07:53:42 GMT+0000 (Coordinated Universal Time)
HCB7221-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 | 105 mm | Bore diameter |
D | 190 mm | Outside diameter |
B | 36 mm | Width |
Cr | 157,000 N | Basic dynamic load rating, radial |
C0r | 95,000 N | Basic static load rating, radial |
Cur | 6,300 N | Fatigue load limit, radial |
nG Grease | 7,500 1/min | Limiting speed for grease lubrication |
nG Oil | 12,000 1/min | Limiting speed for oil lubrication |
≈m | 3.25 kg | Weight |
Mounting dimensions
da | 120.5 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 174.5 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 | 132.2 mm | Minimum diameter injection pitch |
Etk max | 141.2 mm | Maximum diameter injection pitch |
Etk1 min | 132.2 mm | Minimum diameter injection pitch |
Etk1 max | 141.2 mm | Maximum diameter injection pitch |
a | 52.4 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 | 800 N | Preload force light |
FV M | 2,742 N | Preload force medium |
FV H | 5,723 N | Preload force heavy |
KaE L | 2,303 N | Lift-off force light |
KaE M | 8,067 N | Lift-off force medium |
KaE H | 17,220 N | Lift-off force heavy |
ca L | 278 N/µm | Axial rigidity light |
ca M | 434 N/µm | Axial rigidity medium |
ca H | 577 N/µm | Axial rigidity heavy |