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B7230-E-T-P4S-UL FAG

Spindle bearings B72..-E, adjusted, in pairs or sets, contact angle ? = 25°, restricted tolerances


d Bore diameter 150 mm
D Outside diameter 270 mm
B Width 45 mm
Cr Basic dynamic load rating, radial 221.000 N
C0r Basic static load rating, radial 169.000 N
Cur Fatigue load limit, radial 12.400 N
nG Grease Limiting speed for grease lubrication 4.000 1/min
nG Oil Limiting speed for oil lubrication 6.000 1/min
≈m Weight 9,945 kg
da Diameter shaft shoulder 178 mm
da Diameter shaft shoulder clearance h12
Da Shoulder diameter outer ring 241,5 mm
Da Shoulder diameter outer ring clearance H12
ra max Maximum recess radius 2,5 mm
ra1 max Maximum recess radius 2,5 mm
Etk min Minimum diameter injection pitch 190,9 mm
Etk max Maximum diameter injection pitch 201,9 mm
Etk1 min Minimum diameter injection pitch 190,9 mm
Etk1 max Maximum diameter injection pitch 201,9 mm
a Distance between the apexes of the pressure cones 71,5 mm
rmin Minimum chamfer dimension 3 mm
r1 min Minimum chamfer dimension 3 mm
α Contact angle 25 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 100 °C
FV L Preload force light 2.173 N
FV M Preload force medium 6.987 N
FV H Preload force heavy 14.280 N
KaE L Lift-off force light 6.322 N
KaE M Lift-off force medium 20.936 N
KaE H Lift-off force heavy 44.075 N
ca L Axial rigidity light 390 N/µm
ca M Axial rigidity medium 605 N/µm
ca H Axial rigidity heavy 808 N/µm
Contact angle Contact angle 25° E
Lubricant Without
Sealing Without
Outer shape Standard
Cage Laminated fabric cage T
Tolerance class tolerance class P4S, FAG standard better than P4 to DIN 620 P4S
Arrangement bearing set Single bearing U
Preload preload light L