SMR74-2Z FAG Catalog

Deep groove ball bearing SMR..-2Z, corrosion-resistant materials, single row, miniature design, shields, steel sheet metal cage

d	Bore diameter	4,00 mm
D	Outside diameter	7,00 mm
B	Width	2,50 mm
Cr	Basic dynamic load rating, radial	217,00 N
C0r	Basic static load rating, radial	86,00 N
Cur	Fatigue load limit, radial	2,75 N
nG	Limiting speed	103.000,00 1/min
nϑr	Reference speed	55.000,00 1/min
≈m	Weight	0,33 g
da min	Minimum diameter shaft shoulder	4,60 mm
Da max	Maximum diameter of housing shoulder	6,40 mm
ra max	Maximum fillet radius	0,10 mm
rmin	Minimum chamfer dimension	0,10 mm
D2	Caliber diameter outer ring	6,30 mm
d1	Shoulder diameter inner ring	4,80 mm
Tmin	Operating temperature min.	-30,00 °C
Tmax	Operating temperature max.	120,00 °C
f0	Calculation factor	12,20
Logistical code	-	HLC
Material Bearing	Stainless steel	S
Sealing	Non-contact Shield on both sides	2Z
Cage	steel sheet metal	JN
Tolerance class	Normal (PN)	PN
Dimensional / heat stabilization	Rings dimensional stabilized up to 120°	SN
Lubricant	Grease (L138/customer specific)	L138
Fill factor		Standard
Radial internal clearance	Group N (CN)	CN
Bore type	Cylindrical	Z