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by VXB

6203RS Bearing 17x40x12 Sealed Ball Bearings

4.4 out of 5 stars 60 customer reviews

Price: $5.25 & FREE Shipping on orders over $35. Details
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Specifications for this item
Brand Name VXB
Part Number 6203-2RS10-1_1
Bore Diameter 0.669 inches  inches
Inside Diameter 17  mm
Outside Diameter 40  mm
Overall Width 12  mm
Static Load Capacity 4800  Newtons
Dynamic Load Capacity 9550  Newtons
Item Weight 2.24 ounces
Number of Items 1
UNSPSC Code 31171504

This 6203RS bearing is a sealed ball bearing measuring 17x40x12. This singl... See more product details


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Product Features

  • Single-row bearing for supporting radial loads
  • Chrome steel for durability and resistance to deformity under heavy loads
  • Rubber seals on both sides of the bearing to keep lubricant in and contaminants out
  • Lubricated at manufacturer for no additional lubrication required
  • RPM limit of 12,000 with grease lubrication

Product Details

  • Item Weight: 2.2 ounces
  • Shipping Weight: 2.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B002BBJSPE
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (60 customer reviews)
  • Amazon Best Sellers Rank: #3,793 in Industrial & Scientific (See Top 100 in Industrial & Scientific)

Frequently Bought Together

  • 6203RS Bearing 17x40x12 Sealed Ball Bearings
  • +
  • Shaft Seal for Pentair Whisperflo & Ultraflow Pumps PS-1000
Total price: $11.24
Buy the selected items together

Product Description

This 6203RS bearing is a sealed ball bearing measuring 17x40x12. This single-row bearing is built to support radial loads and has a revolutions per minute (RPM) limit of 12,000 with greased lubrication. It is made from chrome steel for durability and resistance to deformity under heavy loads. This bearing has rubber seals on both sides to keep lubricant in and contaminants out and has been lubricated at the manufacturer so no additional lubrication is required.

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.

Customer Reviews

Top Customer Reviews

Verified Purchase
Great price, took it apart and it is the same sealed bearing as the more expensive ones. Installed in Pool Pump Motor. Works fine.
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By Cliff S on December 17, 2011
Verified Purchase
I don't really know how you could go wrong buying these bearings, they were so incredibly cheap, and they were shipped to my house.
I can't vouch for them in high-speed situations, but they work fine for low-speed. I also can't vouch for longevity.
For common everyday use there okay. I don't think I'd use these in medical equipment, because I don't know the properties.
But like I say, for my purposes, the price, including shipping, was dirt cheap. Works for me,
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Verified Purchase
This bearing was used by me to repair my pool pump. It was a perfect fit and I had no problems with it at all. Months later and daily use, it is as quiet as the day I bought it.
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Verified Purchase
Installed in my Haward pool pump.Bearings started getting noisy after about 6 weeks failed after 2 months. dont go cheep buy better bearings.
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Verified Purchase
Installed two bearings on my Hayward pool pump. One failed within a day, the other is still running. So three stars.
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Verified Purchase
These bearings made a great replacement for the deck bearings in my 60 inch lawn mower. Had no problem with putting them in!
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As an interesting note on all sealed bearings: this can happen;
Interesting that one of the two 6203 sealed bearings that I just got (not this brand) from a local automotive parts store, had very little grease in it. the other sealed bearing had 2 times as much but could have used a lot more. So, this is why the original sealed bearing on the z225 John Deere failed, AND on the sears riding mower: From the factory they didn’t have enough grease sealed in them and were sealed to keep any more getting in. So I opened one side up on both of the new 6203 sealed bearings, ADDED more grease, and as in my application it will be greased using the grease zerk on the spindle shaft.
So, I recommend getting the best quality sealed bearings, perhaps like this brand.
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Verified Purchase
This bearing seems to be of good quality. It was packaged well. I really don't know what else to say about it. I mounted it on a mobility scooter DC motor and it works perfectly.
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