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The NTN 6011ZZNR is a 60 series single-row deep groove ball bearing with a 55 mm straight bore. It features double shielded (ZZ) metal shields for grease retention and contamination exclusion, plus a snap ring groove for axial location in the housing. Used in electric motors, pumps, fans, and general rotating machinery.
MODEL 6011ZZNR
$39.04 Each
Prices are subject to change
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Returnable:No
a (in)
0.1130
B (in)
0.7087
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)
3.5433
d (in)
2.1654
D1
3.4169 in
D2
3.7992 in
da max
2.5197 in
Da max
3.2874 in
da min
2.4213 in
Dynamic Load Rating
7080 lbf
Dynamic load rating
7080 lbf
Enclosure
Double Shielded
f (in)
0.0969
Factor
15.3
I.D.
55 mm
Limiting Speed - Grease
7700 RPM
Limiting speed - grease
7700 RPM
Material
High carbon chrome steel
O.D.
90 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0433
r1
0.0197 in
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0394 in
Static Load Rating
4750 lbf
Static load rating
4750 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 | 7700 RPM |
Precision | ISO Class 0 |
Configuration | One |
Factor | 15.3 |
Radial Internal Clearance | CN |
Static Load Rating | 4750 lbf21200 N21.20 kN |
Dynamic Load Rating | 6350 lbf28300 N28.30 kN |
Enclosure | Double Shielded |
Weight | 0.884 lb0.401 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.1654 in55.000 mm |
D | 3.5433 in90.000 mm |
B | 0.7087 in18.000 mm |
D1 | 3.4169 in86.790 mm |
D2 | 3.7992 in96.500 mm |
a | 0.1130 in2.870 mm |
f | 0.0969 in2.460 mm |
r | 0.0433 in1.100 mm |
r1 | 0.0197 in0.500 mm |
da min | 2.4213 in61.500 mm |
da max | 2.5197 in64.000 mm |
Da max | 3.2874 in83.500 mm |
ras max | 0.0394 in1.000 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.
#207982
Brand
Nachi Bearing
Model
6011ZZENR
#1494648
Brand
Koyo Bearing
Model
6011 ZZNR
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