XSU080318

Slewing ring, Crossed roller bearing, without gear teeth

Crossed roller bearings standard series 08, without gear teeth, lamellar seals on both sides

Display units

Metric

Imperial

Main Dimensions & Performance Data

d_i	280 mm	Bore Diameter
	0.032 mm	Bore diameter upper tolerance
	0 mm	Bore diameter lower tolerance
D_a	355 mm	Outside Diameter
	0 mm	Outside diameter upper tolerance
	-0.036 mm	Outside diameter lower tolerance
H	25.4 mm	Height
≈m	6.1 kg	Weight

Dimensions

D_i	324 mm	Inner diameter outer ring
h_a	24.8 mm	height outer ring
L_a	340 mm	Pitchcircle diameter fixing holes outer ring
n_a	28	Number of fixing holes in outer ring
d_a	309 mm	Outside diameter inner ring
h_i	24.8 mm	height of inner ring
d_B	6.8 mm	Fixing bore
d_S	11 mm	Counterbore diameter of fixing holes
t_S	6.8 mm	Counterbore depth of fixing holes
L_i	295 mm	Pitchcircle diameter fixing holes inner ring
n_i	28	Number of fixing holes in inner ring
r_groove	5 mm	Groove radius
	0.01 mm	Running accuracy A (related to the raceway)

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	80 °C	Operating temperature max.

Calculation factors

C_a	93,000 N	Basic dynamic load rating, axial
C_r	66,000 N	Basic dynamic load rating, radial (for radial load only)
C_0a	465,000 N	Basic static load rating, axial
C_0r	227,000 N	Basic static load rating, radial (for radial load only)
n_G	120 1/min	Limiting speed
F_{r zu.}	19,100 N	Max. radial load screws

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Characteristics

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