Name: 30303-A High Quality Tapered Roller Bearing
Brand: Spherical Roller Ceramic Deep Groove Bearing Ball Suppliers Manufacturers Factory
Availability: InStock
Rating: 4.5 (89 reviews)

30303-A High Quality Tapered Roller Bearing

CONTACT NOW down load to pdf

Details

Tags

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

d	17 mm	Bore diameter
D	47 mm	Outside diameter
B	14 mm	Width, inner ring
C	12 mm	Width, outer ring
T	15,25 mm	Width, total
C_r	27.500 N	Basic dynamic load rating, radial
C_0r	24.800 N	Basic static load rating, radial
C_ur	2.650 N	Fatigue load limit, radial
n_G	17.600 1/min	Limiting speed
n_ϑr	10.900 1/min	Thermal speed rating
≈m	125 g	Weight
d_{a max}	25 mm	Maximum diameter of shaft shoulder
d_{b min}	23 mm	Minimum diameter of shaft shoulder
D_{a min}	40 mm	Minimum diameter of housing shoulder
D_{a max}	41 mm	Maximum diameter of housing shoulder
D_{b min}	42 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 mm	Maximum fillet radius of shaft
r_{b max}	1 mm	Maximum fillet radius of housing
r_{1, 2 min}	1 mm	Minimum chamfer dimension of inner ring back face
r_{3, 4 min}	1 mm	Minimum chamfer dimension of outer ring back face
a	11 mm	Distance between the apexes of the pressure cones
d₁	31,8 mm	Guidance rib diameter of inner ring
T_min	-30 °C	Operating temperature min.
T_max	120 °C	Operating temperature max.
e	0,29	Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y	2,11	Dynamic axial load factor
Y₀	1,16	Static axial load factor