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NTN 6806 single-row deep groove ball bearing with 30 mm bore, open design for minimal friction at high speeds. Suitable for electric motors, pumps, and general rotating machinery.
MODEL 6806
$97.40 Each
Prices are subject to change
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Returnable:No
B (in)
0.2756
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)
1.6535
Da max
1.5748 in
da max
1.2992 in
da min
1.2598 in
Dynamic Load Rating
1160 lbf
Dynamic load rating
1160 lbf
Enclosure
Open
Factor
16.5
I.D.
30 mm
Limiting Speed - Grease
15000 RPM
Limiting speed - grease
15000 RPM
Limiting Speed - Oil
18000 RPM
Limiting speed - oil
18000 RPM
Material
High carbon chrome steel
O.D.
42 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Class 0
r (in)
0.0118
r1
0.0118 in
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0118 in
Seal material
None
Seal type
None
Static Load Rating
820 lbf
Static load rating
820 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 - Oil | 18000 RPM |
Limiting Speed - Grease | 15000 RPM |
Seal Type | None |
Seal Material | None |
Precision | Class 0 |
Configuration | One |
Factor | 16.5 |
Radial Internal Clearance | CN |
Static Load Rating | 820 lbf3650 N3.65 kN |
Dynamic Load Rating | 1060 lbf4700 N4.70 kN |
Enclosure | Open |
Weight | 0.051 lb0.023 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.1811 in30.000 mm |
|---|---|
D | 1.6535 in42.000 mm |
B | 0.2756 in7.000 mm |
r | 0.0118 in0.300 mm |
r1 | 0.0118 in0.300 mm |
da min | 1.2598 in32.000 mm |
da max | 1.2992 in33.000 mm |
Da max | 1.5748 in40.000 mm |
ras max | 0.0118 in0.300 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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