HC71904-E-T-P4S-UL FAG Catalog

High speed spindle bearings HC719..-E, adjusted, in pairs or sets, contact angle ? = 25°, with ceramic balls, restricted tolerances

d	Bore diameter	20 mm
D	Outside diameter	37 mm
B	Width	9 mm
Cr	Basic dynamic load rating, radial	3.400 N
C0r	Basic static load rating, radial	1.560 N
Cur	Fatigue load limit, radial	126 N
nG Grease	Limiting speed for grease lubrication	67.000 1/min
nG Oil	Limiting speed for oil lubrication	100.000 1/min
≈m	Weight	38,6 g
da	Diameter shaft shoulder	24 mm
da	Diameter shaft shoulder clearance	h12
Da	Shoulder diameter outer ring	33,5 mm
Da	Shoulder diameter outer ring clearance	H12
ra max	Maximum recess radius	0,3 mm
ra1 max	Maximum recess radius	0,15 mm
Etk min	Minimum diameter injection pitch	26,6 mm
Etk max	Maximum diameter injection pitch	27,2 mm
Etk1 min	Minimum diameter injection pitch	25,4 mm
Etk1 max	Maximum diameter injection pitch	27,2 mm
a	Distance between the apexes of the pressure cones	11,1 mm
rmin	Minimum chamfer dimension	0,3 mm
r1 min	Minimum chamfer dimension	0,3 mm
α	Contact angle	25 °
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	100 °C
FV L	Preload force light	15 N
FV M	Preload force medium	44 N
FV H	Preload force heavy	88 N
KaE L	Lift-off force light	42 N
KaE M	Lift-off force medium	128 N
KaE H	Lift-off force heavy	261 N
ca L	Axial rigidity light	36,9 N/µm
ca M	Axial rigidity medium	54,6 N/µm
ca H	Axial rigidity heavy	70,7 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