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NTN TMB310C3 is a single-row deep groove ball bearing with open enclosure and steel cage. Constructed from high carbon chrome steel, it features C3 clearance for applications requiring thermal expansion accommodation. Suitable for electric motors, pumps, and general industrial machinery.
MODEL TMB310C3
$118.56 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
B (in)
1.0630
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)
4.3307
d (in)
1.9685
Da max
3.9764 in
da max
2.6969 in
da min
2.3228 in
Dynamic Load Rating
13900 lbf
Dynamic load rating
13900 lbf
Enclosure
Open
Factor
13.2
I.D.
50 mm
Limiting Speed - Grease
6400 RPM
Limiting speed - grease
6400 RPM
Limiting Speed - Oil
7500 RPM
Limiting speed - oil
7500 RPM
Material
High carbon chrome steel
O.D.
110 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Class 0
r (in)
0.0787
r1
0.0197 in
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0787 in
Seal material
None
Seal type
None
Static Load Rating
8650 lbf
Static load rating
8650 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 | 7500 RPM |
Limiting Speed - Grease | 6400 RPM |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Factor | 13.2 |
Radial Internal Clearance | C3 |
Static Load Rating | 8650 lbf38500 N38.50 kN |
Dynamic Load Rating | 13900 lbf62000 N62.00 kN |
Enclosure | Open |
Weight | 2.319 lb1.052 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.
