30212 High Quality Tapered Roller Bearing

Tapered roller bearings 302, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

 

 

d	60 mm	Bore diameter
D	110 mm	Outside diameter
B	22 mm	Width, inner ring
C	19 mm	Width, outer ring
T	23,75 mm	Width, total
Cr	122.000 N	Basic dynamic load rating, radial
C0r	123.000 N	Basic static load rating, radial
Cur	18.700 N	Fatigue load limit, radial
nG	8.200 1/min	Limiting speed
nϑr	4.250 1/min	Thermal speed rating
≈m	0,914 kg	Weight
da max	70 mm	Maximum diameter of shaft shoulder
db min	69 mm	Minimum diameter of shaft shoulder
Da min	96 mm	Minimum diameter of housing shoulder
Da max	101 mm	Maximum diameter of housing shoulder
Db min	103 mm	Minimum diameter of housing shoulder
Ca min	4 mm	Minimum axial space
Cb min	4,5 mm	Minimum axial space
ra max	2 mm	Maximum fillet radius of shaft
rb max	1,5 mm	Maximum fillet radius of housing
r1, 2 min	2 mm	Minimum chamfer dimension of inner ring back face
r3, 4 min	1,5 mm	Minimum chamfer dimension of outer ring back face
a	22 mm	Distance between the apexes of the pressure cones
d1	82,4 mm	Guidance rib diameter of inner ring
Tmin	-30 °C	Operating temperature min.
Tmax	120 °C	Operating temperature max.
e	0,41	Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y	1,48	Dynamic axial load factor
Y0	0,81	Static axial load factor

 

High quality bearing manufacturer from China, special bearings can be customized, welcome to inquire!