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11:11:06 GMT+0000 (Coordinated Universal Time)
HCB71938-C-T-P4S-UL
Spindle bearing
Spindle bearing HCB719..-C, adjusted, in pairs or sets, contact angle α = 15°, with ceramic balls, restricted tolerances
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 190 mm | Bore diameter |
D | 260 mm | Outside diameter |
B | 33 mm | Width |
Cr | 174,000 N | Basic dynamic load rating, radial |
C0r | 146,000 N | Basic static load rating, radial |
Cur | 7,800 N | Fatigue load limit, radial |
nG Grease | 6,700 1/min | Limiting speed for grease lubrication |
nG Oil | 10,000 1/min | Limiting speed for oil lubrication |
≈m | 3.6 kg | Weight |
Mounting dimensions
da | 202 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 247 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 1 mm | Maximum recess radius |
ra1 max | 1 mm | Maximum recess radius |
Etk min | 211.6 mm | Minimum diameter injection pitch |
Etk max | 218.9 mm | Maximum diameter injection pitch |
Etk1 min | 211.6 mm | Minimum diameter injection pitch |
Etk1 max | 218.9 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 | 1 mm | Minimum chamfer dimension |
α | 15 ° | Contact angle |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 100 °C | Operating temperature max. |
Additional information
FV L | 450 N | Preload force light |
FV M | 1,629 N | Preload force medium |
FV H | 3,436 N | Preload force heavy |
KaE L | 1,328 N | Lift-off force light |
KaE M | 5,053 N | Lift-off force medium |
KaE H | 11,178 N | Lift-off force heavy |
ca L | 143 N/µm | Axial rigidity light |
ca M | 239 N/µm | Axial rigidity medium |
ca H | 334 N/µm | Axial rigidity heavy |