Name: 30304-A High Quality Tapered Roller Bearing
Brand: Spherical Roller Ceramic Deep Groove Bearing Ball Suppliers Manufacturers Factory
Availability: InStock
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30304-A High Quality Tapered Roller Bearing

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Tapered roller bearings 303, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

d	20 mm	Bore diameter
D	52 mm	Outside diameter
B	15 mm	Width, inner ring
C	13 mm	Width, outer ring
T	16,25 mm	Width, total
C_r	34.000 N	Basic dynamic load rating, radial
C_0r	32.500 N	Basic static load rating, radial
C_ur	3.700 N	Fatigue load limit, radial
n_G	15.600 1/min	Limiting speed
n_ϑr	9.700 1/min	Thermal speed rating
≈m	0,168 kg	Qhov hnyav
d_{a max}	28 mm	Maximum diameter of shaft shoulder
d_{b min}	27 mm	Minimum diameter of shaft shoulder
D_{a min}	44 mm	Minimum diameter of housing shoulder
D_{a max}	45 mm	Maximum diameter of housing shoulder
D_{b min}	47 mm	Minimum diameter of housing shoulder
C_{a min}	2 mm	Minimum axial space
C_{b min}	3 mm	Minimum axial space
r_{a max}	1,5 mm	Maximum fillet radius of shaft
r_{b max}	1,5 mm	Maximum fillet radius of housing
r_{1, 2 min}	1,5 mm	Minimum chamfer dimension of inner ring back face
r_{3, 4 min}	1,5 mm	Minimum chamfer dimension of outer ring back face
a	12 mm	Distance between the apexes of the pressure cones
d₁	36,1 mm	Guidance rib diameter of inner ring
T_min	-30 °C	Operating temperature min.
T_max	120 °C	Operating temperature max.
e	0,3	Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y	2	Dynamic axial load factor
Y₀	1,1	Static axial load factor