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NTN 6313LLBC3/EM is a 63 series single-row deep groove ball bearing with a 65 mm straight bore. It features double non-contact rubber seals (LLB), a machined brass cage, and C3 internal clearance. Constructed from high carbon chrome steel, it is designed for electric motors, pumps, and general industrial rotating machinery.
MODEL 6313LLBC3/EM
$291.58 Each
Prices are subject to change
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Returnable:No
B (in)
1.2992
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)
5.5118
d (in)
2.5591
Da max
5.0787 in
da max
3.3858 in
da min
2.9921 in
Dynamic Load Rating
23150 lbf
Dynamic load rating
23150 lbf
Enclosure
Double Sealed
Factor
13.2
I.D.
65 mm
Limiting Speed - Grease
4900 RPM
Limiting speed - grease
4900 RPM
Material
High carbon chrome steel
O.D.
140 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
C3
Radial internal clearance
C3
ras max
0.0787 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Non-Contact
Seal type
Non-Contact
Static Load Rating
13500 lbf
Static load rating
13500 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 - Grease | 4900 RPM |
| Seal Type | Non-Contact |
| Seal Material | Nitrile Rubber |
| Precision | ISO Class 0 |
| Configuration | One |
| Factor | 13.2 |
| Radial Internal Clearance | C3 |
| Static Load Rating | 13500 lbf60000 N60.00 kN |
| Dynamic Load Rating | 20800 lbf92500 N92.50 kN |
| Enclosure | Double Sealed |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 2.5591 in65.000 mm |
|---|---|
| D | 5.5118 in140.000 mm |
| B | 1.2992 in33.000 mm |
| r | 0.0827 in2.100 mm |
| r1 | 0.0197 in0.500 mm |
| da min | 2.9921 in76.000 mm |
| da max | 3.3858 in86.000 mm |
| Da max | 5.0787 in129.000 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.
#5034321
Brand
NSK Bearings
Model
6313VVC3
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