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Loading equivalents
Specifications
Availability5 pcs
BrandINA
Item NumberNNTR70X180X85-2Z INA
Manufacturer Part Number0012280210000
EAN4012802112337
CategorySupport Roller
Weight and Dimensions
Inner (d) MM
70
Outer (D) MM
180
Width (B) MM
85
Inner (d) Inch
2.7559
Outer (D) Inch
7.0866
Width (B) Inch
3.3465
Weight (kg)
13
Product Properties
Seal
ZZ/2Z - Steel Seal on Two Sides
Running Surface
Standard
Data from Schaeffler (medias)
Width inner ring (B) mm
85
Basic dynamic load rating, radial (C r w)
350000
Basic static load rating, radial (C 0r)
520000
Speed on permanent grease lubrication (n D G)
600
ECLASS number
23-05-15-01
ECLASS2 number
23-05-15-01
Medias description
Yoke type track rollers NNTR..-2ZL, Full complement roller set, axial guidance, central rib, sealing shields with lamellar ring on both sides
The NNTR70X180X85-2Z INA is a track roller or support roller with cylindrical rollers. These rolling elements combine a high load capacity with reasonable shock resistance. Track rollers are designed for use with various types of tracks. Thanks to a thick-walled outer ring, they can withstand high radial loads. Axial loads due to alignment errors or misalignment can be absorbed in both directions. Yoke type track rollers are suitable for mounting on a shaft. They are not mounted in a housing bore, but a flat (counter) track provides support.
The NNTR70X180X85-2Z INA has a full complement design. The absence of a cage allows for a greater number of rolling elements, making this track roller radially highly loadable. Full complement track rollers are also more shock-resistant than track rollers with a cage. However, the maximum rotational speed is lower than that of caged variants. Common applications of track rollers include conveyor systems, linear guidance systems, and cam mechanisms.
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