HC7021-E-T-P4S-UL FAG Catalog

High speed spindle bearings HC70..-E, adjusted, in pairs or sets, contact angle ? = 25°, with ceramic balls, restricted tolerances

d	Bore diameter	105 mm
D	Outside diameter	160 mm
B	Width	26 mm
Cr	Basic dynamic load rating, radial	45.000 N
C0r	Basic static load rating, radial	33.000 N
Cur	Fatigue load limit, radial	2.300 N
nG Grease	Limiting speed for grease lubrication	14.000 1/min
nG Oil	Limiting speed for oil lubrication	22.000 1/min
≈m	Weight	1,8 kg
da	Diameter shaft shoulder	116 mm
da	Diameter shaft shoulder clearance	h12
Da	Shoulder diameter outer ring	150 mm
Da	Shoulder diameter outer ring clearance	H12
ra max	Maximum recess radius	2 mm
ra1 max	Maximum recess radius	1 mm
Etk min	Minimum diameter injection pitch	125,8 mm
Etk max	Maximum diameter injection pitch	129 mm
Etk1 min	Minimum diameter injection pitch	121,7 mm
Etk1 max	Maximum diameter injection pitch	129 mm
a	Distance between the apexes of the pressure cones	43,9 mm
rmin	Minimum chamfer dimension	2 mm
r1 min	Minimum chamfer dimension	2 mm
α	Contact angle	25 °
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	100 °C
FV L	Preload force light	184 N
FV M	Preload force medium	552 N
FV H	Preload force heavy	1.104 N
KaE L	Lift-off force light	527 N
KaE M	Lift-off force medium	1.602 N
KaE H	Lift-off force heavy	3.250 N
ca L	Axial rigidity light	188 N/µm
ca M	Axial rigidity medium	277 N/µm
ca H	Axial rigidity heavy	357 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
Changed internal design		Standard