NUKR80

Yoke type track roller

Stud type track rollers NUKR, with axial guidance, full complement cylindrical roller set, labyrinth seals on both sides

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Imperial

Main Dimensions & Performance Data

D	80 mm	Outside diameter
d₁	30 mm	Fit diameter of roller stud / stud
B	100 mm	Width
C_{r w}	71,000 N	Basic dynamic load rating, radial
C_{0r w}	103,000 N	Basic static load rating, radial
C_{ur w}	14,400 N	Fatigue load limit, radial
n_{D G}	1,800 1/min	Speed on permanent grease lubrication
F_{0r per}	94,000 N	Permissible static load, radial
F_{r per}	47,000 N	Permissible dynamic load outer ring, radial
≈m	1.64 kg	Weight

Dimensions

B₁	37 mm	Witdh of thrust washer
B₂	63 mm	Bolt/stud length effectively
B₃	15 mm	Distance to lubrication hole
C	35 mm	Width, outer ring
C₁	1 mm	Protrusion outer ring to thrust washer
r_min	1.1 mm	Minimum chamfer dimension
d₂	47 mm	Stop diameter of thrust washer
d₃	4 mm	Diameter lubrication hole
G	M30X1,5	Thread
I_G	32 mm	Thread length
W	14 mm	Width of flats

Additional information

	NIPA3X9,5	Drive-fit lubrication nipple
M_A	450 Nm	Tightening torque nut

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Sealing		Labyrinth seals on both sides
Outer Ring profile		Optimized INA-profile
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

Characteristics

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