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NTN 3317S/4SQT 33 series double-row angular contact ball bearing with a straight 85 mm bore. Open enclosure and brass cage. Constructed from high carbon chrome steel for applications requiring high radial and axial load capacity in a compact assembly.
MODEL 3317S/4SQT
$1,185.88 Each
Prices are subject to change
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Returnable:No
B (in)
2.8740
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Brass
Cage material
Brass
Cage Type
High Strength, 2 piece, Machined
Cage type
High strength, 2 piece, machined
Configuration
Two
Contact angle
32 º
D (in)
7.0866
d (in)
3.3465
Dynamic Load Rating
44500 lbf
Dynamic load rating
44500 lbf
Enclosure
Open
I.D.
85 mm
Material
High carbon chrome steel
O.D.
180 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Straight
Precision
Class 0
r (in)
0.1181
Static Load Rating
53500 lbf
Static load rating
53500 lbf
Type
Angular Contact Ball Bearing
Technical Specifications
Type | Angular Contact Ball Bearing |
Bore Type | Round |
Outside Ring Type | Straight |
Material | High Carbon Chrome Steel |
Cage Type | High Strength, 2 piece, Machined |
Cage Material | Brass |
Ball Material | Steel |
Precision | Class 0 |
Configuration | Two |
Static Load Rating | 53500 lbf239000 N239.00 kN |
Dynamic Load Rating | 44500 lbf199000 N199.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
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.