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NTN 6302LB/5C is a 63 series single-row deep groove ball bearing with a 15 mm straight bore. Features a single non-contact rubber seal (LB) and a steel cage. Constructed from high carbon chrome steel for durability in electric motors, pumps, and general rotating machinery.
MODEL 6302LB/5C
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$19.45 Each
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Brand Minimum Order Quantity: 4
Typically Ships in: 1 day
Returnable:No
B (in)
0.5118
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)
1.6535
d (in)
0.5906
da max
0.9055 in
Da max
1.4567 in
da min
0.7874 in
Dynamic load rating
2850 lbf
Dynamic Load Rating
2850 lbf
Enclosure
Single Sealed
Factor
37.0
I.D.
15 mm
Limiting speed - grease
17000 RPM
Limiting Speed - Grease
17000 RPM
Limiting speed - oil
21000 RPM
Limiting Speed - Oil
21000 RPM
Material
High Carbon Chrome Steel
O.D.
42 mm
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
ISO Class 0
r (in)
0.0394
r1
0.0197 in
Radial internal clearance
CN
Radial Internal Clearance
CN
ras max
0.0394 in
Seal material
Nitrile rubber
Seal Material
Nitrile Rubber
Seal type
Non-Contact
Seal Type
Non-Contact
Static load rating
1230 lbf
Static Load Rating
1230 lbf
Type
Deep Groove Ball Bearing
Width
13 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 | 21000 RPM |
Limiting Speed - Grease | 17000 RPM |
Seal Type | Non-Contact |
Seal Material | Nitrile Rubber |
Precision | ISO Class 0 |
Configuration | One |
Factor | 37.0 |
Radial Internal Clearance | CN |
Static Load Rating | 1230 lbf5450 N5.45 kN |
Dynamic Load Rating | 2560 lbf11400 N11.40 kN |
Enclosure | Single Sealed |
Weight | 0.181 lb0.082 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
|
| |
d | 0.5906 in15.000 mm |
|---|---|
D | 1.6535 in42.000 mm |
B | 0.5118 in13.000 mm |
r | 0.0394 in1.000 mm |
r1 | 0.0197 in0.500 mm |
da min | 0.7874 in20.000 mm |
da max | 0.9055 in23.000 mm |
Da max | 1.4567 in37.000 mm |
ras max | 0.0394 in1.000 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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