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NTN 6415 is a 64 series single-row deep groove ball bearing with a 75 mm straight bore. Open type design with no seals or shields. Suitable for general industrial rotating equipment including electric motors, pumps, and fans.
MODEL 6415
$720.14 Each
Prices are subject to change
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Returnable:No
B (in)
1.7717
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)
7.4803
d (in)
2.9528
Da max
6.9685 in
da min
3.4646 in
Dynamic Load Rating
34170 lbf
Dynamic load rating
34170 lbf
Enclosure
Open
Factor
12.7
I.D.
75 mm
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.
190 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Class 0
r (in)
0.1181
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0984 in
Seal material
None
Seal type
None
Static Load Rating
22250 lbf
Static load rating
22250 lbf
Type
Deep Groove Ball Bearing
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 |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Factor | 12.7 |
Radial Internal Clearance | CN |
Static Load Rating | 22300 lbf99000 N99.00 kN |
Dynamic Load Rating | 31000 lbf138000 N138.00 kN |
Enclosure | Open |
Weight | 12.610 lb5.720 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.9528 in75.000 mm |
|---|---|
D | 7.4803 in190.000 mm |
B | 1.7717 in45.000 mm |
r | 0.1181 in3.000 mm |
da min | 3.4646 in88.000 mm |
Da max | 6.9685 in177.000 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.
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