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NTN 6307Z is a 63 series single-row deep groove ball bearing with a 35 mm straight bore. It features a single steel shield (Z) on one side for protection against contaminants while maintaining low friction. This bearing is suitable for electric motors, pumps, fans, and general rotating machinery.
MODEL 6307Z
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$54.85 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
Clearance
CN
Height
3.15
I.D.
35 mm
Length
3.15
Material
Steel
O.D.
80 mm
Width
0.8268
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 | 10000 RPM |
Limiting Speed - Grease | 8800 RPM |
Precision | ISO Class 0 |
Configuration | One |
Factor | 72.0 |
Radial Internal Clearance | CN |
Static Load Rating | 4300 lbf19100 N19.10 kN |
Dynamic Load Rating | 7550 lbf33500 N33.50 kN |
Enclosure | Single Shielded |
Weight | 0.988 lb0.448 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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