SX011848-A-VSP-PRL50

Crossed roller bearing

Crossed roller bearingsdimension series 18 to DIN 616

Display units

Metric

Imperial

Main Dimensions & Performance Data

d₁	240 mm	Bore Diameter
	0.005 mm	Bore diameter upper tolerance
	-0.024 mm	Bore diameter lower tolerance
D_a	300 mm	Outside Diameter
	0 mm	Outside diameter upper tolerance
	-0.032 mm	Outside diameter lower tolerance
H	28 mm	Height of the assembled bearing
h_i	28 mm	heigth inner ring
	0.1 mm	Width upper tolerance
	-0.1 mm	Width lower tolerance
≈m	5.3 kg	Weight

Dimensions

D_i	270.8 mm	Inner diameter outer ring
D_M	270 mm	rolling element pitch circle diameter
d_a	269.2 mm	outer diameter inner ring
h	28 mm	height of individual ring
	0 mm	Height of individual ring upper tolerance
	-0.025 mm	Height of individual ring lower tolerance
r_min	2 mm	chamfer dimension
S	2 mm	diameter of lubrication hole

Temperature range

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

Calculation factors

	0.01 mm	Running accuracy, radial
	0.005 mm	Running accuracy, axial
VSP_min	0.005 mm	Minimum bearing preload
VSP_max	0.025 mm	Maximum bearing preload
C_a	149,000 N	Basic dynamic load rating, axial
C_0a	600,000 N	Basic static load rating, axial
C_r	106,000 N	Basic dynamic load rating, radial (for radial load only)
C_0r	295,000 N	Basic static load rating, radial (for radial load only)
N_{G oil}	280 1/min	Limiting speed for oil lubrication with preload
N_{G Grease}	140 1/min	Limiting speed for grease lubrication with preload
	61848	Dimensions identical to ISO dimension series 18

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VSP+PRL50

preloaded, axial and radial run-out reduced by 50%

Characteristics

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