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The SKF NJ 317 ECJ is an 85mm bore NJ-type cylindrical roller bearing with a single flange on the outer ring, accommodating axial displacement in one direction. It features an enhanced steel cage (EC) for high-speed and high-load applications. Suitable for gearboxes, pumps, and industrial machinery requiring high radial load capacity.
MODEL NJ 317 ECJ
$1,035.33 Each
Prices are subject to change
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Returnable:No
Bearing Part
Complete bearing
Bore Type
Cylindrical
Cage
Sheet metal
Dimension Type
Metric
I.D.
3 1/3 in
Inner Diameter (mm)
85.000
Locating Feature Bearing
None
Loose Side Ring
None
Lubricant (in Bearing)
N/A
Material
Bearing steel
Material/Treatment
Bearing steel
Number of Ribs - Inner Ring
One
Number of Ribs - Outer Ring
Two
O.D. (in)
7 1/9
Outer Diameter (mm)
180.000
Radial Internal Clearance
C0
Relubrication Feature
Without
Sealing
None
Width (mm)
41.000
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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Disclaimer: The return policy information shown below is merely an excerpt from SKF's General Conditions of Sale.
RETURN OF GOODS FOR CREDIT
Goods will not be accepted for return without prior written approval from SKF. The return freight must be prepaid by the Buyer. Unless return of Goods is due to Supplier error, Goods returned will be subject to a credit service fee of $25.00 or 15% of the credit value, whichever is greater. An additional service fee may apply is further inspection is required at the discretion of SKF