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HCB7208-E-2RSD-T-P4S-UL FAG

Spindle bearings HCB72..-E-2RSD, adjusted, in pairs or sets, contact angle ? = 25°, with ceramic balls, lip seals on both sides, non-contact, 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
≈m Weight 322,25 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
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. 80 °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 non-contact sealed on both sides and greased “for life” 2RSD
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