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SMF93ZZ Stainless Steel Miniature Flanged Ball Bearing 3x9x4mm Shielded

SMF93-ZZ
$4.99
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SMF93ZZ Stainless Miniature Flanged Ball Bearing

Key Features

SMF93ZZ is an ABEC1 Stainless-Steel Miniature Flanged Ball Bearing manufactured to be Metal Shielded on both sides and is pre-lubricated with grease allowing it to be ready for use upon delivery. Made from Stainless-Steel, SMF93ZZ is a SMF Series Flanged Miniature Ball Bearing that can run at higher temperatures while also being able to withstand corrosion, moderate radial loads and moderate axial loads. Our SMF Series Flanged Outer Ring have a Stainless-Steel Flange located on the outer ring, the flange extends around the entire circumference of the outer ring allowing for improved running accuracy and easier locating on a housing while also preventing any axial movement of the bearing in the event of a thrust load being put onto it.

Match Numbers / Interchange Numbers

SWMLF3009ZZ, SMF935 ZZ, SSLF-930ZZ, DDLF-930ZZ, SMF-93ZZ, SSRF930ZZ, DDRF930ZZ, ULZ 903X

Applications / Industries

SMF93ZZ Miniature Ball Bearings are used in a range of applications from Biotech and Food processing, RC Helicopters, RC Planes, RC Trucks, RC Cars, Automotive, Elevator systems, Machinery, Conveyors, Material Handling, Belt Drives, Electronic and Medical Devices, Chemical Labs, Underwater Applications, Dynamic Model Building, Small Spindles, Dental Drills, Watches, Skateboards, Hand Piece, Power Transmission, among others.

What are Miniature Ball Bearings?

A Miniature Ball Bearing is a type of small rolling-element bearing that uses roller balls to separate two “races,” or bearing rings. The key difference between these bearings and many others would be their small size, allowing them to be applied in smaller and tighter lightweight applications. The combination of the roller balls and bearing rings help to reduce surface contact and rotational friction across moving planes to accommodate axial loads.

Miniature Ball bearings help to facilitate motion by distributing loads and reducing friction for applications that have a high-speed requirement, ultimately aiding in extending the working life of your equipment while also effectively saving space in tight applications.

What are Rolling-Element Bearings?

Rolling-element bearings, commonly called rolling bearings, are bearings that carry a load by utilizing “rolling elements” between two concentric, grooved rings called races. The motion of the bearing races allows for the rolling elements to move with very little resistance and with little slide variance.

Some common types of rolling elements include ball, cylindrical, spherical, barrel, needle, spindle, or tapered.

What is the Difference Between Open, Shielded, and Sealed Rolling Bearings? 

The main difference between open and sealed/ shielded bearings is the application of lubrication. The main difference between sealed and shielded bearings is the presence of a protective enclosure.

  • Sealed and shielded bearings are lubricated with grease in the bearing factory. However, a rubber sealed bearing protects the bearing by using a seal that contacts the inner and outer race. This provides superior protection at the cost of operating speed and temperature.
  • Open bearings are meant to be lubricated with light oil, with periodic reapplication of lubrication, based on use.
  • Shielded rolling bearings contain an enclosure that helps to protect the working parts of the bearing from environmental debris that may be introduced and would otherwise reduce the ball bearing speed and lifespan. This metal shield is stamped onto the bearing and only contacts the outer ring, this allows for protection without sacrificing operating speed or temperature.
CATALOG
Online Catalog:
Dimensions & Material
Inner Diameter:
3mm
Outer Diameter:
9mm
Width:
4mm
Lubrication:
Chevron SRI-2 Grease
Material:
Stainless Steel AISI-440C
Sizes:
ID 3mm x OD 9mm x W 4mm
Product Details
Closure Type:
Stainless Steel Shielded ZZ
Grease RPM Limit:
56,000
Oil RPM Limit :
67,000
Static Load Rating:
42 lbf
Dynamic Load Rating:
128 lbf
Interchange Numbers:
SWMLF3009ZZ, SMF935 ZZ, SSLF-930ZZ, DDLF-930ZZ, SMF-93ZZ, SSRF930ZZ, DDRF930ZZ, ULZ 903X
SMF93ZZ Stainless Steel Miniature Flanged Ball Bearing 3x9x4mm Shielded

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