KRE72-PP INA Catalog

Stud type track rollers KRE..-PP, with axial guidance, with eccentric collar, plastic axial plain washers on both sides

D	Outside diameter	72 mm
d1	Fit diameter of roller stud / stud	24 mm
B	Width	80 mm
Cr w	Basic dynamic load rating, radial	28.000 N
C0r w	Basic static load rating, radial	53.000 N
Cur w	Fatigue load limit, radial	7.300 N
nD G	Speed on permanent grease lubrication	1.900 1/min
≈m	Weight	1,024 kg
B1	Witdh of thrust washer	30,6 mm
B2	Bolt/stud length effectively	49,5 mm
B3	Distance to lubrication hole	11 mm
C	Width, outer ring	29 mm
C1	Protrusion outer ring to thrust washer	0,8 mm
rmin	Minimum chamfer dimension	1,1 mm
d2	Stop diameter of thrust washer	44 mm
d3	Diameter lubrication hole	4 mm
G	Thread	M24X1,5
IG	Thread length	25 mm
W	Nominal dimension for hexagonal socket	14 mm
de	Diameter of eccentric	28 mm
Be	Width, eccentric	22 mm
e	Eccentricity	1 mm
MA	Tightening torque nut	220 Nm
Sealing	Three-stage sealing by plastic axial plain washer on both sides	PP
Outer Ring profile	Optimized INA-profile
Grease nipples	Drive-fit lubrication nipple unmounted 2x
Assembling aid head	Hexagon socket
Mounting aid stud	Hexagon socket