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VCM71910-EDLR-T-P4S-UL-XL
High speed spindle bearing
High speed spindle bearing VCM719..-EDLR, adjusted, in pairs or sets, contact angle α = 25°, with ceramic balls, rings made from Vacrodur, restricted tolerances, for direct oil feed via outer ring, with inserted O rings
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 50 mm | Bore diameter |
D | 72 mm | Outside diameter |
B | 12 mm | Width |
Cr | 29,500 N | Basic dynamic load rating, radial |
C0r | 9,000 N | Basic static load rating, radial |
Cur | 455 N | Fatigue load limit, radial |
nG Grease | 32,000 1/min | Limiting speed for grease lubrication |
nG Oil | 50,000 1/min | Limiting speed for oil lubrication |
≈m | 107.31 g | Weight |
Mounting dimensions
da | 55 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 67.5 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 0.6 mm | Maximum recess radius |
ra1 max | 0.15 mm | Maximum recess radius |
BN | 2.2 mm | Distance ring grooves |
BN1 | 1.7 mm | Distance ring grooves |
SN | 7 mm | Distance to lubrication hole |
SB | 1.4 mm | Width of lubricating groove |
a | 20.2 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 0.6 mm | Minimum chamfer dimension |
r1 min | 0.3 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 | 67 N | Preload force light |
FV M | 176 N | Preload force medium |
FV H | 365 N | Preload force heavy |
KaE L | 192 N | Lift-off force light |
KaE M | 508 N | Lift-off force medium |
KaE H | 1,068 N | Lift-off force heavy |
ca L | 88 N/µm | Axial rigidity light |
ca M | 123 N/µm | Axial rigidity medium |
ca H | 160 N/µm | Axial rigidity heavy |