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HC7022-E-T-P4S-UL
High speed spindle bearing
High speed spindle bearing HC70..-E, adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, restricted tolerances
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 110 mm | Bore diameter |
D | 170 mm | Outside diameter |
B | 28 mm | Width |
Cr | 45,500 N | Basic dynamic load rating, radial |
C0r | 34,000 N | Basic static load rating, radial |
Cur | 2,330 N | Fatigue load limit, radial |
nG Grease | 13,000 1/min | Limiting speed for grease lubrication |
nG Oil | 20,000 1/min | Limiting speed for oil lubrication |
≈m | 1.973 kg | Weight |
Mounting dimensions
da | 121 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 159 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 2 mm | Maximum recess radius |
ra1 max | 1 mm | Maximum recess radius |
Etk min | 133.3 mm | Minimum diameter injection pitch |
Etk max | 136.5 mm | Maximum diameter injection pitch |
Etk1 min | 129.2 mm | Minimum diameter injection pitch |
Etk1 max | 136.5 mm | Maximum diameter injection pitch |
a | 46.6 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 2 mm | Minimum chamfer dimension |
r1 min | 2 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 | 187 N | Preload force light |
FV M | 561 N | Preload force medium |
FV H | 1,121 N | Preload force heavy |
KaE L | 535 N | Lift-off force light |
KaE M | 1,627 N | Lift-off force medium |
KaE H | 3,299 N | Lift-off force heavy |
ca L | 193 N/µm | Axial rigidity light |
ca M | 284 N/µm | Axial rigidity medium |
ca H | 366 N/µm | Axial rigidity heavy |