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B7212-E-T-P4S-UL
Spindle bearing
Spindle bearing B72..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
구자재
B7212E.T.P4S.UL, B7212E.TPA.P4.UL



Main Dimensions & Performance Data
d | 60 mm | Bore diameter |
D | 110 mm | |
B | 22 mm | |
Cr | 53,000 N | Basic dynamic load rating, radial |
C0r | 29,500 N | Basic static load rating, radial |
Cur | 3,150 N | Fatigue load limit, radial |
nG Grease | 12,000 1/min | Limiting speed for grease lubrication |
nG Oil | 19,000 1/min | Limiting speed for oil lubrication |
≈m | 0.779 kg | 중량 |
Mounting dimensions
da | 69.5 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 101.5 mm | |
Da | H12 | |
ra max | 1.5 mm | Maximum recess radius |
ra1 max | 0.6 mm | Maximum recess radius |
Etk min | 77 mm | |
Etk max | 81.9 mm | Maximum diameter injection pitch |
Etk1 min | 77 mm | |
Etk1 max | 81.9 mm | Maximum diameter injection pitch |
a | 30.9 mm | Distance between the apexes of the pressure cones |
Dimensions
rmin | 1.5 mm | Minimum chamfer dimension |
r1 min | 1.5 mm | |
α | 25 ° | Contact angle |
Temperature range
Tmin | -30 °C | |
Tmax | 100 °C |
Additional information
FV L | 463 N | |
FV M | 1,586 N | |
FV H | 3,304 N | |
KaE L | 1,351 N | Lift-off force light |
KaE M | 4,794 N | Lift-off force medium |
KaE H | 10,334 N | Lift-off force heavy |
ca L | 165 N/µm | Axial rigidity light |
ca M | 264 N/µm | Axial rigidity medium |
ca H | 358 N/µm | Axial rigidity heavy |
현 제품 규격
Contact angle | E | Contact angle 25° |
Lubricant | Without | |
Sealing | Without | |
Outer shape | Standard | |
Cage | T | Laminated fabric cage |
Tolerance class | P4S | Tolerance class P4S, FAG standard better than P4 to DIN 620 |
Arrangement bearing set | U | Single bearing |
Preload | L | Preload light |
특징
최근에 본 제품