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NOTE：
Please refer to the picture and select right type of bearings before your order (Sealed or Shield on BOTH or SINGLE side of the bearing). Suffix on the bearing just for differentiating between Sealed and Shield type of bearing. It would not affect the use of our product.
Description:
- Single-row, pre-lubricated, normal accuracy.
- Deep Groove Ball Bearings are one of the most widely used rolling bearings. They are used to accommodate radial and axial loads in both directions.
- With small friction and high-limit speed, Ball Bearings are cost-effective and require little maintenance.
- Carbon Steel bearings are better in toughness than chrome steel bearings after quenching. These cost-effective bearings are widely used in areas with low requirements for Mohs hardness.
- Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.
Selecting Guide:
Shields (Designation Suffix Z/ZZ) - High speed. Protect from dirt and debris.
Sealed (Designation Suffix RS/2RS) - Made of sheet steel reinforced nitrile butadiene rubber (oil- and liquid-resistant). Lower limit speed than Shield Bearings.
Specification:
Model: 693ZZ
Seal Type: Double Shielded
Inner Race/Outer Race Material: Carbon Steel
Cage Material: Stamping Steel
Inner Diameter (d): 3mm
Outer Diameter (D): 8mm
Thickness (B): 4mm
Dynamic Load Rating (Cr): 474N
Static Load Rating (Cor): 144N
Accuracy Class: P0 (ABEC-1)
Noise Level: Z2
Number of Pack: 5 Pcs
Don Williams
Reviewed in the United States on August 8, 2024
Exactly what I needed to get my 3D printer up and running.
Phil Tuttle
Reviewed in the United States on July 6, 2024
I only needed a single bearing but this pack was a great deal. Works very well. Absolutely zero issues.
Bork Puppison
Reviewed in the United States on July 6, 2024
These come in a pack of 5, and exactly one of them did not have a severe wobble or "crunch" out of the box. I needed to replace a stepper motor bearing, and the best example in the lot still has so much play that the teeth of the motor are able to grind against each other. Oh well, they're cheap enough that I'll find another project that they work in.
Andrew M Whipple Jr
Reviewed in the United States on June 19, 2024
they do what they're suppose to do.
Customer
Reviewed in the United States on February 3, 2024
It works for my application but the bearings seemed to spin rougher than I expected.
Graciano Batista
Reviewed in the United States on April 4, 2024
excellent
CAMILO CASTRO
Reviewed in the United States on April 2, 2024
perfect. high quality
yan cousineau
Reviewed in Canada on April 17, 2024
The media could not be loaded.
S. Ehrlich
Reviewed in the United States on April 14, 2024
2 of the 5 bearings spin smoothly. 3 of them bind and grind in at least one spot. For my use case, that will generate a ton of heat and likely lead to seizing pretty quickly. These are junk. Amazon has made it much more difficult to return items, even when they send expired food or just the wrong item, so I won't even attempt to get my $6 back.
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