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NNTR55X140X70-2ZL
Yoke type track roller NNTR55X140X70-2ZL
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Main Dimensions & Performance Data
d
55 mm
Bore diameter
D
140 mm
Outside diameter
B
70 mm
Width, inner ring
Cr w
219,000 N
Basic dynamic load rating, radial
C0r w
320,000 N
Basic static load rating, radial
Cur w
48,000 N
Fatigue load limit, radial
nD G
850 1/min
Speed on permanent grease lubrication
F0r per
320,000 N
Permissible static load, radial
Fr per
280,000 N
Permissible dynamic load outer ring, radial
≈m
6.29 kg
Weight

Mounting dimensions
d2
73 mm
Stop diameter of thrust washer
D1
91 mm
Mounting dimension
d3
4 mm
Diameter lubrication hole
R
10,000 mm
Radius of outer ring outside profile
3
Number of lubrication holes

Dimensions
C
68 mm
Width, outer ring
rmin
3 mm
Minimum chamfer dimension
r1 min
2 mm
Minimum chamfer dimension

Your current product variant
Sealing2ZLSealing shields on both sides
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