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Nachi Bearing 6906-2NSECM Deep Groove Ball Bearing with 2 Seals 30mm Inner Diameter x 47mm Outer Diameter x 9mm Width Deep Groove Ball Bearing with 2 Contact Seals
MODEL 6906-2NSECM
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Contact supplier for technical support on: 800-829-5787
$54.37 Each
Prices are subject to change
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable: See conditions
Bearing Material
Steel
Bore Type
Cylindrical
Cage Material
JIS SPCC Steel
Closure Type
Double Seal
Contact Angle (Deg)
N/A
Dynamic Load Capacity (N)
7250
Grease Fill
Multemp SRL
Inner Diameter (mm)
30
Inner Ring Material
JIS SUJ2 Steel
Internal Clearance
CM
ISO Precision Class
P0
Limiting Speed - Grease (RPM)
8200
Limiting Speed - Oil (RPM)
N/A
Max Operating Temp.
120°C (248°F)
Number of Rows
1
Outer Diameter (mm)
47
Outer Ring Material
JIS SUJ2 Steel
Preload
N/A
Rolling Element Material
JIS SUJ2 Steel
Seal Material
Buna-N
Seals or Shields
2 Contact Seals
Series
6900
Snap Ring
No
Static Load Capacity (N)
5000
Universally (Flush) Ground
N/A
Width (mm)
N/A
Single-row deep groove ball bearings are the most common bearing type in the world due to their versatility and performance. These bearings are available in a variety of seal, shield and snap-ring arrangements. Bearings with seals or shields are standardized and already contain the proper amount of grease. Open bearings will require lubrication. These bearings can sustain radial and/or axial loads and because of their simple design, this bearing type can be produced to provide both high-running accuracy and high-speed operation. Excellent high speed capability. Good radial load capacity. Good axial load capacity in both directions. Low torque requirements during startup and operation. Low noise. Little/no maintenance required. Longer life - adopted NACHI original seal design to prevent contamination and grease leakage, contains special grease for wider temperature ranges and longer life. Smooth and quiet operation - the precision level of our bearing components has been enhanced to ensure smooth and quiet operation. Buna-N rubber light contact seals on both sides for 55 mm bore and larger.
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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