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NTN 6317ZC3 is a 63 series single-row deep groove ball bearing with an 85 mm straight bore. Features a single shielded enclosure (steel shield) and C3 clearance. The bearing has a steel cage and is made of high carbon chrome steel. Used in electric motors, pumps, fans, and general rotating machinery.
MODEL 6317ZC3
$379.67 Each
Prices are subject to change
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Returnable:No
Axial Static Load Rating
21807 lbf
Axial static load rating
21807 lbf
B (in)
1.6140
Ball Material
Through Hardened Steel
Ball material
Through hardened steel
Bore Type
Round
Bore type
Round
Cage Material
Pressed Steel
Cage material
Pressed steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
d (in)
3.3460
D (in)
7.0870
da max
4.4094 in
Da max
6.5748 in
da min
3.8583 in
Dynamic Load Rating
33049 lbf
Dynamic load rating
33049 lbf
Enclosure
Metal Shield - One Side
Factor
167
Height
7.087
I.D.
85 mm
Length
7.087
Limiting Speed - Grease
3800 RPM
Limiting speed - grease
3800 RPM
Limiting Speed - Oil
4500 RPM
Limiting speed - oil
4500 RPM
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
0
Precision
ISO class 0
r (in)
0.1181
r1
0.0197 in
Radial Dynamic Load Rating
33047 lbf
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0984 in
Static Load Rating
21808 lbf
Static load rating
21808 lbf
Type
Deep Groove Ball Bearing
Width
1.6142
Technical Specifications
Type | Deep Groove Ball Bearing |
|---|---|
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Limiting Speed - Oil | 4500 RPM |
Limiting Speed - Grease | 3800 RPM |
Precision | ISO Class 0 |
Configuration | One |
Factor | 167.0 |
Radial Internal Clearance | C3 |
Static Load Rating | 21800 lbf97000 N97.00 kN |
Dynamic Load Rating | 29900 lbf133000 N133.00 kN |
Enclosure | Single Shielded |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.3465 in85.000 mm |
|---|---|
D | 7.0866 in180.000 mm |
B | 1.6142 in41.000 mm |
r | 0.1181 in3.000 mm |
r1 | 0.0197 in0.500 mm |
da min | 3.8583 in98.000 mm |
da max | 4.4094 in112.000 mm |
Da max | 6.5748 in167.000 mm |
ras max | 0.0984 in2.500 mm |
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.
