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32010-X-H

Tapered roller bearing

Tapered roller bearings 320, main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs

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Main Dimensions & Performance Data

d	50 mm	Bore diameter
D	80 mm	Outside diameter
B	20 mm	Width, inner ring
C	15.5 mm	Width, outer ring
T	20 mm	Width, total
C_r	60,800 N	Basic dynamic load rating, radial
C_0r	93,000 N	Basic static load rating, radial
C_ur	11,400 N	Fatigue load limit, radial
n_G	6,960 1/min	Limiting speed
n_ϑr	5,000 1/min	Thermal speed rating
≈m	0.386 kg	중량

Mounting dimensions

d_{a max}	56 mm	Maximum diameter of shaft shoulder
d_{b min}	56 mm	Minimum diameter of shaft shoulder
D_{a min}	72 mm	Minimum diameter of housing shoulder
D_{a max}	74 mm	Maximum diameter of housing shoulder
D_{b min}	77 mm	Minimum diameter of housing shoulder
C_{a min}	4 mm	Minimum axial space
C_{b min}	4.5 mm	Minimum axial space
r_{a max}	1 mm	Maximum fillet radius of shaft
r_{b max}	1 mm	Maximum fillet radius of housing

Dimensions

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	18 mm	Distance between the apexes of the pressure cones
d_{1 max}	69.2 mm	Maximum guidance rib diameter of inner ring

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	120 °C	Operating temperature max.

Calculation factors

e	0.42	Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y
Y	1.42	Dynamic axial load factor
Y₀	0.78	Static axial load factor

Additional information

T3CC050

Comparative designation to ISO 10317 and ISO 355

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현 제품 규격

Tolerance class	P6X	Class 6X (ISO 492:2014)
Heat treatment	Standard
Cage	Standard	Sheet steel cage, window cage, roller-guided
Quality level	H
Number of rolling element rows	1	Single-row design

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