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Nachi Bearing 51118 BNLS 90mm Inner Diameter x 120mm Outer Diameter x 22mm Width Thrust Ball Bearing
MODEL 51118
$74.62 Each
Prices are subject to change
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Returnable: See conditions
Bore Type
Cylindrical
Cage Material
JIS SPCC Steel
Contact Angle (Deg)
N/A
Dynamic Load Capacity (N)
59500
Grease Fill
No Fill
Inner Diameter (mm)
90
Inner Ring Material
JIS SUJ2 Steel
Internal Clearance
CN/C0
ISO Precision Class
P0
Limiting Speed - Grease (RPM)
1900
Limiting Speed - Oil (RPM)
2900
Max Operating Temp.
120°C (248°F)
Outer Diameter (mm)
120
Outer Ring Material
JIS SUJ2 Steel
Preload
N/A
Rolling Element Material
JIS SUJ2 Steel
Seals or Shields
No
Snap Ring
N/A
Static Load Capacity (N)
190000
Universally (Flush) Ground
N/A
Width (mm)
2900
Thrust Ball Bearings are made as single-direction and double-direction bearings. Single-direction Thrust Ball Bearings can sustain an axial load in only one direction, whereas Double-direction Thrust Ball Bearings can sustain bi-directional thrust load. Both types of Thrust Ball Bearings cannot sustain a radial load. Thrust ball bearings are designed to handle axial loads only.
Thrust ball bearings consist of ball, retainer, both shaft and housing washers which contain grooves for the balls and can be subject to axial load only. The bearings with spherical housing washer can prevent static misalignment.
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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