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NTN BL212C3 is a single-row deep groove ball bearing with a 60 mm straight bore. It features an open enclosure and a steel cage. The bearing is constructed from high carbon chrome steel for durability. Suitable for general industrial rotating equipment such as electric motors, pumps, and fans.
MODEL BL212C3
$117.87 Each
Prices are subject to change
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Returnable:No
B (in)
0.8661
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)
2.3622
Da max
4.0157 in
da max
2.9528 in
da min
2.6772 in
Enclosure
Open
I.D.
60 mm
Limiting Speed - Grease
5400 RPM
Limiting speed - grease
5400 RPM
Limiting Speed - Oil
6300 RPM
Limiting speed - oil
6300 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)
0.0591
r1
0.0197 in
Radial Internal Clearance
C3
Radial internal clearance
C3
Seal material
None
Seal type
None
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 | 6300 RPM |
Limiting Speed - Grease | 5400 RPM |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Radial Internal Clearance | C3 |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.3622 in60.000 mm |
|---|---|
D | 4.3307 in110.000 mm |
B | 0.8661 in22.000 mm |
r | 0.0591 in1.500 mm |
r1 | 0.0197 in0.500 mm |
da min | 2.6772 in68.000 mm |
da max | 2.9528 in75.000 mm |
Da max | 4.0157 in102.000 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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