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SKF 6308-2RS1NR is a 40mm bore deep groove ball bearing, double sealed with NBR rubber seals on both sides and a snap ring groove for axial location. It features a sheet metal cage and normal internal clearance. Suitable for electric motors, pumps, and general industrial machinery.
MODEL 6308-2RS1NR
$86.44 Each
Prices are subject to change
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Returnable:No
Basic Dynamic Load Rating
42.3 kN
Basic Static Load Rating
24 kN
Bearing Outer Ring Locating Feature
Snap ring (fitted)
Bore Diameter
40 mm
Bore Type
Cylindrical
Cage
Sheet metal
Clearance
Normal
Coating
Without
Dimension Type
Metric
Filling Slots
Without
I.D.
1.181 in
Inner Diameter (mm)
40.000
Limiting Speed
5000 r/min
Locating Feature Bearing
Snap ring (fitted)
Lubricant
Grease
Lubricant (in Bearing)
Grease
Matched Arrangement
No
Material
Bearing steel
Material/Treatment
Bearing steel
Number of Rows
1
O.D. (in)
2.165
Outer Diameter (mm)
96.500
Pack Height
106 mm
Pack Length
104 mm
Pack Width
29 mm
Radial Internal Clearance
C0
Relubrication Feature
Without
Seal Type
Contact
Sealing
Seal on both sides
Sealing Type
Contact
SKF Performance Class
SKF Explorer
Tolerance Class
Class P6 (P6)
Width
23 mm
Width (mm)
23.000
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.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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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