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B7044-E-T-P4S-UL
Spindle bearing
Spindle bearing B70..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
구자재
B7044E.T.P4S.UL, B7044E.TPA.P4.UL
제품 정보
미터법
우수한
Main Dimensions & Performance Data
d | 220 mm | Bore diameter |
D | 340 mm | |
B | 56 mm | |
Cr | 315,000 N | Basic dynamic load rating, radial |
C0r | 295,000 N | Basic static load rating, radial |
Cur | 18,500 N | Fatigue load limit, radial |
nG Grease | 3,600 1/min | Limiting speed for grease lubrication |
nG Oil | 5,300 1/min | Limiting speed for oil lubrication |
≈m | 15.7 kg | 중량 |
Mounting dimensions
da | 239 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 321 mm | |
Da | H12 | |
ra max | 2.5 mm | Maximum recess radius |
ra1 max | 1 mm | Maximum recess radius |
Etk min | 257.1 mm | |
Etk max | 270.1 mm | Maximum diameter injection pitch |
Etk1 min | 257.1 mm | |
Etk1 max | 270.1 mm | Maximum diameter injection pitch |
a | 93.3 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 3 mm | Minimum chamfer dimension |
r1 min | 3 mm | |
α | 25 ° | Contact angle |
Temperature range
Tmin | -30 °C | |
Tmax | 100 °C |
Additional information
FV L | 2,882 N | |
FV M | 9,666 N | |
FV H | 20,030 N | |
KaE L | 8,349 N | Lift-off force light |
KaE M | 28,771 N | Lift-off force medium |
KaE H | 61,275 N | Lift-off force heavy |
ca L | 503 N/µm | Axial rigidity light |
ca M | 789 N/µm | Axial rigidity medium |
ca H | 1,055 N/µm | Axial rigidity heavy |