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HCB7208-E-T-P4S-UL FAG

Spindle bearings HCB72..-E, adjusted, in pairs or sets, contact angle ? = 25°, with ceramic balls, restricted tolerances


d Bore diameter 40 mm
D Outside diameter 80 mm
B Width 18 mm
Cr Basic dynamic load rating, radial 31.000 N
C0r Basic static load rating, radial 14.700 N
Cur Fatigue load limit, radial 1.190 N
nG Grease Limiting speed for grease lubrication 20.000 1/min
nG Oil Limiting speed for oil lubrication 34.000 1/min
≈m Weight 317,02 g
da Diameter shaft shoulder 48 mm
da Diameter shaft shoulder clearance h12
Da Shoulder diameter outer ring 72 mm
Da Shoulder diameter outer ring clearance H12
ra max Maximum recess radius 1 mm
ra1 max Maximum recess radius 0,6 mm
Etk min Minimum diameter injection pitch 53,4 mm
Etk max Maximum diameter injection pitch 57,2 mm
Etk1 min Minimum diameter injection pitch 53,4 mm
Etk1 max Maximum diameter injection pitch 57,2 mm
a Distance between the apexes of the pressure cones 23 mm
rmin Minimum chamfer dimension 1,1 mm
r1 min Minimum chamfer dimension 1,1 mm
α Contact angle 25 °
Tmin Operating temperature min. -30 °C
Tmax Operating temperature max. 100 °C
FV L Preload force light 121 N
FV M Preload force medium 485 N
FV H Preload force heavy 1.059 N
KaE L Lift-off force light 347 N
KaE M Lift-off force medium 1.432 N
KaE H Lift-off force heavy 3.208 N
ca L Axial rigidity light 97,6 N/µm
ca M Axial rigidity medium 162 N/µm
ca H Axial rigidity heavy 220 N/µm
Contact angle Contact angle 25° E
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