B7020-E-T-P4S-UL
Spindle bearing
Spindle bearings B70..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
Replaces
B7020E.T.P4S.UL, B7020E.TPA.P4.UL
Spindle bearing
Spindle bearings B70..-E, adjusted, in pairs or sets, contact angle α = 25°, restricted tolerances
Metric
Imperial
d | 100 mm | Bore diameter |
D | 150 mm | Outside diameter |
B | 24 mm | Width |
Cr | 79,000 N | Basic dynamic load rating, radial |
C0r | 55,000 N | Basic static load rating, radial |
Cur | 5,200 N | Fatigue load limit, radial |
nG Grease | 8,000 1/min | Limiting speed for grease lubrication |
nG Oil | 13,000 1/min | Limiting speed for oil lubrication |
≈m | 1.24 kg | Weight |
da | 110 mm | Diameter shaft shoulder |
da | h12 | Diameter shaft shoulder clearance |
Da | 141 mm | Shoulder diameter outer ring |
Da | H12 | Shoulder diameter outer ring clearance |
ra max | 1.5 mm | Maximum recess radius |
ra1 max | 0.6 mm | Maximum recess radius |
Etk min | 115.5 mm | Minimum diameter injection pitch |
Etk max | 120.8 mm | Maximum diameter injection pitch |
Etk1 min | 115.5 mm | Minimum diameter injection pitch |
Etk1 max | 120.8 mm | Maximum diameter injection pitch |
a | 41.1 mm | Distance between the apexes of the pressure cones |
rmin | 1.5 mm | Minimum chamfer dimension |
r1 min | 1.5 mm | Minimum chamfer dimension |
α | 25 ° | Contact angle |
Tmin | -30 °C | Operating temperature min. |
Tmax | 100 °C | Operating temperature max. |
FV L | 681 N | Preload force light |
FV M | 2,336 N | Preload force medium |
FV H | 4,869 N | Preload force heavy |
KaE L | 1,982 N | Lift-off force light |
KaE M | 7,018 N | Lift-off force medium |
KaE H | 15,103 N | Lift-off force heavy |
ca L | 242 N/µm | Axial rigidity light |
ca M | 385 N/µm | Axial rigidity medium |
ca H | 521 N/µm | Axial rigidity heavy |
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 |
Characteristics