SX011848-A INA Catalog

Crossed roller bearingsdimension series 18 to DIN 616

d1	Bore Diameter	240 mm
Da	Outside Diameter	300 mm
H	Height of the assembled bearing	28 mm
hi	heigth inner ring	28 mm
≈m	Weight	4,965 kg
DM	rolling element pitch circle diameter	270 mm
da	outer diameter inner ring	269,2 mm
h	height of individual ring	28 mm
rmin	chamfer dimension	2 mm
S	diameter of lubrication hole	2 mm
Tmin	Operating temperature min.	-30 °C
Tmax	Operating temperature max.	80 °C
Sr min	Minimum radial bearing clearance, at standard bearing clearance	0,01 mm
Sr max	Maximum radial bearing clearance, at standard bearing clearance	0,03 mm
Sk min	Minimum axial tilting clearance, at standard bearing clearance	0,02 mm
Sk max	Maximum axial tilting clearance, at standard bearing clearance	0,06 mm
RLOmax	Low clearance: Radial clearance	0,005 mm
RLOmax	Low clearance: Preload	0,01 mm
VSPmin	Minimum bearing preload	0,005 mm
VSPmax	Maximum bearing preload	0,025 mm
Ca	Basic dynamic load rating, axial	149.000 N
C0a	Basic static load rating, axial	600.000 N
Cr	Basic dynamic load rating, radial (for radial load only)	106.000 N
C0r	Basic static load rating, radial (for radial load only)	295.000 N
NG oil	Limiting speed for oil lubrication with normal clearance	565 1/min
NG Grease	Limiting speed for grease lubrication with normal clearance	280 1/min
NG oil	Limiting speed for oil lubrication with preload	280 1/min
NG Grease	Limiting speed for grease lubrication with preload	140 1/min