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NTN 6211ZZNR is a 62 series single-row deep groove ball bearing with a 55 mm straight bore. It features double shielded (ZZ) metal shields for contamination protection and includes a snap ring for axial location in the housing. Used in electric motors, pumps, fans, and general rotating machinery. 6200 Double Shielded Bearing With Snap Ring
6211ZZNR, 6211 ZZNR, and 6211ZZENR
MODEL 6211ZZNR
NTN Bearing
$111.97
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Koyo Bearing
$99.01
Nachi Bearing
$51.89
$111.97 Each
Prices are subject to change
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Returnable:No
a (in)
0.1291
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
D1
3.8110 in
D2
4.1929 in
da max
2.6378 in
Da max
3.622 in
da min
2.4803 in
Dynamic Load Rating
10790 lbf
Dynamic load rating
10790 lbf
Enclosure
Double Shielded
f (in)
0.0969
Factor
14.3
I.D.
55 mm
Limiting Speed - Grease
6400 RPM
Limiting speed - grease
6400 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
ras max
0.0591 in
Static Load Rating
6550 lbf
Static load rating
6550 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 | 6400 RPM |
| Precision | ISO Class 0 |
| Configuration | One |
| Factor | 14.3 |
| Radial Internal Clearance | CN |
| Static Load Rating | 6550 lbf29200 N29.20 kN |
| Dynamic Load Rating | 9800 lbf43500 N43.50 kN |
| Enclosure | Double Shielded |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 2.1654 in55.000 mm |
|---|---|
| D | 3.9370 in100.000 mm |
| B | 0.8268 in21.000 mm |
| D1 | 3.8110 in96.800 mm |
| D2 | 4.1929 in106.500 mm |
| a | 0.1291 in3.280 mm |
| f | 0.0969 in2.460 mm |
| r | 0.0591 in1.500 mm |
| r1 | 0.0197 in0.500 mm |
| da min | 2.4803 in63.000 mm |
| da max | 2.6378 in67.000 mm |
| Da max | 3.6220 in92.000 mm |
| ras max | 0.0591 in1.500 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 are the dimensions and typical uses of a 6200 series ball bearing?
A standard 6200 ball bearing has: • 10 mm bore • 30 mm outer diameter • 9 mm width The 6200 series sits within the deep groove ball bearing family and is designed for light to moderate loads at relatively high speeds. You’ll typically find them in electric motors, small gearboxes, pumps, and general industrial equipment. They’re popular because they’re compact, widely available, and cost effective. Different variants exist such as sealed, shielded, or high clearance versions, depending on the application.
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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