HCB71904-C-T-P4S-UL FAG Catalog

Spindle bearings HCB719..-C, adjusted, in pairs or sets, contact angle ? = 15°, 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	7.400 N
C0r	Basic static load rating, radial	3.100 N
Cur	Fatigue load limit, radial	248 N
nG Grease	Limiting speed for grease lubrication	60.000 1/min
nG Oil	Limiting speed for oil lubrication	90.000 1/min
≈m	Weight	33 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 mm
Etk max	Maximum diameter injection pitch	27,1 mm
Etk1 min	Minimum diameter injection pitch	26 mm
Etk1 max	Maximum diameter injection pitch	27,1 mm
a	Distance between the apexes of the pressure cones	8,3 mm
rmin	Minimum chamfer dimension	0,3 mm
r1 min	Minimum chamfer dimension	0,3 mm
α	Contact angle	15 °
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	100 °C
FV L	Preload force light	12 N
FV M	Preload force medium	57 N
FV H	Preload force heavy	128 N
KaE L	Lift-off force light	37 N
KaE M	Lift-off force medium	182 N
KaE H	Lift-off force heavy	431 N
ca L	Axial rigidity light	16,8 N/µm
ca M	Axial rigidity medium	31,5 N/µm
ca H	Axial rigidity heavy	46 N/µm
Contact angle	Contact angle 15°	C
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