KR40-X-NMT INA Catalog

Yoke type track roller KR..-B, with cage, with axial guidance, no eccentric

D	Outside diameter	40 mm
d1	Fit diameter of roller stud / stud	18 mm
B	Width of the roller stud	58 mm
Cr w	Basic dynamic load rating, radial	10.900 N
C0r w	Basic static load rating, radial	16.000 N
Cur w	Fatigue load limit, radial	2.130 N
nD G	Speed on permanent grease lubrication	2.900 1/min
≈m	Weight	287,85 g
B1	Maximum witdh of thrust washer	21,6 mm
B2	Bolt/stud length effectively	36,5 mm
B3	Distance to lubrication hole	8 mm
C	Width, outer ring	20 mm
C1	Protrusion outer ring to thrust washer	0,8 mm
rmin	Minimum chamfer dimension	1 mm
d2	Stop diameter of thrust washer	31,5 mm
d3	Diameter lubrication hole	3 mm
G	Thread	M18X1,5
IG	Thread length	19 mm
W	Width of flats	8 mm
R	Radius of outer ring outside profile	500 mm
MA	Tightening torque nut	87 Nm
Sealing	Gap seal on both sides
Outer Ring profile	Cylindrical profile	X
Grease nipples	Drive-fit lubrication nipple unmounted 2x
Relubrication feature	Via head, stud and fit
Assembling aid head	Hexagon socket
Mounting aid stud	Hexagon socket
Special Shape	Unmounted nut and drive-fit lubrication nipple	NMT