NUTR20

Yoke type track roller

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

Display units

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Imperial

Main Dimensions & Performance Data

d	20 mm	Bore diameter
D	47 mm	Outside diameter
B	25 mm	Width of the bearing
C_{r w}	28,500 N	Basic dynamic load rating, radial
C_{0r w}	38,000 N	Basic static load rating, radial
C_{ur w}	4,950 N	Fatigue load limit, radial
n_{D G}	4,200 1/min	Speed on permanent grease lubrication
F_{0r per}	32,500 N	Permissible static load, radial
F_{r per}	16,300 N	Permissible dynamic load outer ring, radial
≈m	244 g	Weight

Dimensions

C	24 mm	Width, outer ring
d₂	27 mm	Stop diameter of thrust washer
r_min	1 mm	Minimum chamfer dimension
r_{1 min}	0.5 mm	Minimum chamfer dimension

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Sealing		Labyrinth seals on both sides
Outer Ring profile		Optimized INA-profile
Relubrication feature		Via inner ring

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