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NTN 6316Z is a 63 series single-row deep groove ball bearing with an 80 mm straight bore. It features a single metal shield (Z) on one side for protection against contaminants while maintaining low friction. Suitable for electric motors, pumps, fans, and general industrial rotating machinery.
MODEL 6316Z
$314.70 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
B (in)
1.5354
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
D (in)
6.6929
d (in)
3.1496
Da max
6.2598 in
da max
4.1339 in
da min
3.5827 in
Dynamic Load Rating
30570 lbf
Dynamic load rating
30570 lbf
Enclosure
Single Shielded
Factor
159
I.D.
80 mm
Limiting Speed - Grease
4000 RPM
Limiting speed - grease
4000 RPM
Limiting Speed - Oil
4700 RPM
Limiting speed - oil
4700 RPM
Material
High carbon chrome steel
O.D.
170 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0827
r1
0.0197 in
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0787 in
Static Load Rating
19400 lbf
Static load rating
19400 lbf
Type
Deep Groove Ball Bearing
Width
39 mm
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 | 4700 RPM |
Limiting Speed - Grease | 4000 RPM |
Precision | ISO Class 0 |
Configuration | One |
Factor | 159.0 |
Radial Internal Clearance | CN |
Static Load Rating | 19400 lbf86500 N86.50 kN |
Dynamic Load Rating | 27700 lbf123000 N123.00 kN |
Enclosure | Single Shielded |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.1496 in80.000 mm |
|---|---|
D | 6.6929 in170.000 mm |
B | 1.5354 in39.000 mm |
r | 0.0827 in2.100 mm |
r1 | 0.0197 in0.500 mm |
da min | 3.5827 in91.000 mm |
da max | 4.1339 in105.000 mm |
Da max | 6.2598 in159.000 mm |
ras max | 0.0787 in2.000 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.
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