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The NTN BL206ZNR is a single-row deep groove ball bearing with a 30 mm straight bore, single shielded enclosure, and a snap ring groove. It features a steel cage and is constructed from high carbon chrome steel. This bearing is designed for general industrial rotating equipment such as electric motors, pumps, and fans.
MODEL BL206ZNR
OBSOLETE
Please call 888-671-2883 for Replacement info
Typically Ships in: 1 day
Returnable:No
a (in)
0.1291
B (in)
0.6299
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)
1.1811
D (in)
2.4409
D1
2.3469 in
D2
2.6654 in
Da max
2.2441 in
da max
1.5354 in
da min
1.378 in
Enclosure
Single Shielded
f (in)
0.0650
Limiting Speed - Grease
10000 RPM
Limiting speed - grease
10000 RPM
Limiting Speed - Oil
12000 RPM
Limiting speed - oil
12000 RPM
Material
High carbon chrome steel
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0394
r1
0.0197 in
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0394 in
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 |
12000 RPM |
Limiting Speed - Grease |
10000 RPM |
Precision |
ISO Class 0 |
Configuration |
One |
Radial Internal Clearance |
CN |
Enclosure |
Single Shielded |
Weight |
0.483 lb0.219 kg |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Dimensional Specifications
|
|
|
d |
1.1811 in30.000 mm |
D |
2.4409 in62.000 mm |
B |
0.6299 in16.000 mm |
D1 |
2.3469 in59.610 mm |
D2 |
2.6654 in67.700 mm |
a |
0.1291 in3.280 mm |
f |
0.0650 in1.650 mm |
r |
0.0394 in1.000 mm |
r1 |
0.0197 in0.500 mm |
da min |
1.3780 in35.000 mm |
da max |
1.5354 in39.000 mm |
Da max |
2.2441 in57.000 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.
#5035592
Brand
NSK Bearings
Model
BL206ZNR
