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NTN BL211ZZ is a single-row deep groove ball bearing with a 55 mm straight bore. It features double shielded enclosures and a steel cage. The bearing is constructed from high carbon chrome steel for durability and is designed for general industrial rotating equipment.
MODEL BL211ZZ
$116.21 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
B (in)
0.8268
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)
3.9370
d (in)
2.1654
Enclosure
Double Shielded
I.D.
55 mm
Limiting Speed - Grease
5800 RPM
Limiting speed - grease
5800 RPM
Material
High carbon chrome steel
O.D.
100 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0591
r1
0.0197 in
Radial Internal Clearance
CN
Radial internal clearance
CN
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 - Grease | 5800 RPM |
Seal Type | None |
Seal Material | None |
Precision | ISO Class 0 |
Configuration | One |
Radial Internal Clearance | CN |
Enclosure | Double Shielded |
Weight | 1.453 lb0.659 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.
#317718
Brand
SKF Bearing
Model
211-2Z
#5035615
Brand
NSK Bearings
Model
BL211ZZ
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