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NTN 6021 is a 60 series single-row deep groove ball bearing with a 105 mm straight bore. This open bearing has no seals or shields, making it suitable for applications requiring high-speed operation and relubrication. Used in electric motors, pumps, fans, and general industrial rotating machinery.
MODEL 6021
$233.74 Each
Prices are subject to change
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Returnable:No
Clearance
CN
Enclosure
Open
Height
6.299
I.D.
105 mm
Length
6.299
Material
Steel
O.D.
160 mm
Width
1.0236
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 |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Factor | 15.8 |
Radial Internal Clearance | CN |
Static Load Rating | 14700 lbf65500 N65.50 kN |
Dynamic Load Rating | 16300 lbf72500 N72.50 kN |
Enclosure | Open |
Weight | 3.505 lb1.590 kg |
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.
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