SX011840-A - Crossed roller bearing - The Gsnk Company

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Main Dimensions & Performance Data

d	200 mm
D	250 mm
B	24 mm

Mounting dimensions

Di	225.8 mm	Inner diameter outer ring
DM	225 mm	rolling element pitch circle diameter
da	224.2 mm	outer diameter inner ring
h	24 mm	height of individual ring
	0	Height of individual ring upper tolerance
	-0.025	Height of individual ring lower tolerance
r min	1.5 mm	chamfer dimension
S	2 mm	diameter of lubrication hole

Temperature range

T min	-30 °C	Minimum operating temperature
T max	80 °C	Maximum operating temperature

Calculation coefficient

	0.015 mm	Running Accuracy, Radial
	0.01 mm	Running Accuracy, Axial
Sr min	0.005 mm	Minimum radial bearing clearance, standard bearing clearance
Sr max	0.025 mm	Maximum radial bearing clearance, standard bearing clearance
Sk min	0.01 mm	Minimum axial tilt clearance, standard bearing clearance
Sk max	0.05 mm	Maximum axial tilting clearance, standard bearing clearance
RLO max	0.005 mm	Low clearance: Radial clearance
RLO max	0.01 mm	Low clearance: Preload
VSP min	0.005 mm	Minimum bearing preload
VSP max	0.025 mm	Maximum bearing preload
Ca	104,000 N	Basic dynamic load rating, axial
C0a	400,000 N	Basic static load rating, axial
Cr	74,000 N	Basic dynamic load rating, radial (only for radial loads)
C0r	197,000 N	Basic static load rating, radial (only for radial loads)
NG oil	680 1/min	Limit speed for normal clearance oil lubrication
NG Grease	340 1/min	Limit speed for grease lubrication with normal clearance
NG oil	340 1/min	Speed limit for preload oil lubrication
NG Grease	170 1/min	Grease lubrication with preload limited speed
	61840	Dimensions are the same as ISO dimension series 18