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  • Dynaroll Precision Miniature Ball Bearing, ABEC-5, Open, Flanged, Stainless Steel
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Dynaroll Precision Miniature Ball Bearing, ABEC-5, Open, Flanged, Stainless Steel

Available in multiple versions


Price: $8.99 - $29.51
Product Specifications
Brand Name Dynaroll
Material Type Stainless Steel
UNSPSC Code 31171504

This Dynaroll precision miniature ball bearing is made of 400-series harde... Read full product description


Currently showing 1-9 of 9
Part Number Bore Diameter Outside Diameter Bearing Width String Max Rotational Speed Static Load Capacity Dynamic Load Capacity Part Number Price Quantity
   
SFR133 A5 0.0937 inches 0.1875 inches 0.0937 inches 9500 rpm 10 pounds 31 pounds B00634TTBI
In Stock (1)
$10.18
Prime Eligible
SFR144 A5 0.125 inches 0.25 inches 0.1094 inches 8000 rpm 20 pounds 64 pounds B00634TUXA
In Stock (1)
$10.03
Prime Eligible
SFR155 A5 0.1562 inches 0.3125 inches 0.125 inches 6300 rpm 29 pounds 81 pounds B00634TXRI
In Stock (1)
$10.48
Prime Eligible
SFR168 A5 0.25 inches 0.375 inches 0.125 inches 5600 rpm 33 pounds 84 pounds B00634TYBI
$8.99
+ $5.81 Shipping
SFR1810 A5 0.3125 inches 0.5 inches 0.1562 inches 4800 rpm 52 pounds 122 pounds B00634U0PC
Usually ships in 6 to 10 days
$16.94
+ $3.99 Shipping
SFR188 A5 0.25 inches 0.5 inches 0.1875 inches 5000 rpm 90 pounds 243 pounds B00634TZDA
In Stock (4)
$9.36
Prime Eligible
SFR2 A5 0.125 inches 0.375 inches 0.1562 inches 6700 rpm 49 pounds 144 pounds B00634TWR4
Usually ships in 6 to 10 days
$16.72
+ $3.99 Shipping
SFR2-5 A5 0.125 inches 0.3125 inches 0.1406 inches 7100 rpm 40 pounds 124 pounds B00634TW3S
In Stock (1)
$9.60
Prime Eligible
SFR4 A5 0.25 inches 0.625 inches 0.196 inches 4500 rpm 128 pounds 335 pounds B00634U05W
Usually ships in 6 to 10 days
$12.80
+ $3.99 Shipping
Currently showing 1-9 of 9
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Product Features

  • Single row, deep-groove precision miniature ball bearing for limited-space applications requiring high accuracy, high speeds, and both axial and radial loads
  • Open bearing for lubrication applied in place
  • 400-series hardened martensitic stainless steel for better resistance to corrosion and high temperatures than AISI 52100 chrome steel
  • Stainless steel cage evenly spaces balls for reduced friction, vibration, and noise
  • CN (normal) radial clearance for applications where thermal expansion is not a factor

Product Details


Product Description

This Dynaroll precision miniature ball bearing is made of 400-series hardened martensitic stainless steel and has an Annular Bearing Engineers’ Committee (ABEC)-5 precision rating, an open design, and a flanged outer ring. The single-row, deep-groove precision miniature ball bearing is suitable for limited-space applications requiring high accuracy, high speeds, and both axial and radial loads. The bearing has deep inner and outer races that conform to the balls that run in them, allowing higher speeds and creating lower friction than bearings with comparable-sized roller bearings. The open design allows for lubricating the bearing in place. The inner and outer rings and balls are made of a 400-series martensitic stainless steel hardened to a minimum of C58 on the Rockwell hardness scale, providing better resistance to corrosion and high temperatures than American Iron and Steel Institute (AISI) 52100 chrome steel, and higher hardness and wear resistance than plain stainless steel. This bearing has a stainless-steel cage to prevent the balls from coming into contact with each other during use, reducing friction, vibration, and noise, and an external flange on the outer ring for easier mounting and axial positioning in the housing than straight bearings. It can be used to a maximum operating temperature of 121 degrees C/250 degrees F. The ball bearing has a CN (normal) radial internal clearance designation, making it suitable for applications where the load and speeds do not result in thermal expansion. This clearance provides latitude for self-realignment and compensates for static and dynamic alignment errors. This bearing has an ABEC-5 rating for a higher standard of precision than ABEC-3 bearings. ABEC-rated ball bearings are manufactured to tight dimensional tolerances, making them useful in applications that require high accuracy, high rotational speeds, and increased operating efficiency. This ball bearing is for use in commercial and industrial applications including medical devices, radio controls, gearboxes, instrumentation, fishing reels, and small motors.

Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed bearings are lubricated with oil or grease in the bearing factory, while open and shielded bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use. The shield protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.

Dynaroll Corporation manufactures miniature bearings and ball bearings that meet International Organization for Standardization (ISO), Occupational Health and Safety Assessment Series (OHSAS), Production Part Approval Process (PPAP), and U.S. Food and Drug Administration (FDA) Critical standards for quality assurance. Founded in 1988, Dynaroll is based in Sylmar, California.


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