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6301-2NSE Nachi Bearing 12x37x12 Sealed C3 Japan Ball Bearings

4.6 4.6 out of 5 stars 24 ratings
$14.88
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Purchase options and add-ons

Brand VXB
Material Rubber,Steel
Bearing Number 6301 2NSE
Item Thickness 12 Millimeters
Bearing Type Ball Bearing

About this item

  • Deep groove geometry for supporting both radial and axial loads and high speeds
  • Chrome bearing steel for durability and resistance to deformity under heavy loads
  • C3 radial clearance allows thermal expansion for continuous operating temperatures up to 248 degrees F/120 degrees C
  • Rubber seals on both sides to keep lubricant in and contaminants out

Additional Details

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Product details

  • Package Dimensions ‏ : ‎ 5 x 5 x 0.8 inches; 1.6 ounces
  • Date First Available ‏ : ‎ September 30, 2010
  • Manufacturer ‏ : ‎ VXB
  • ASIN ‏ : ‎ B0045DTOLY
  • Customer Reviews:
    4.6 4.6 out of 5 stars 24 ratings

Product Description

This Nachi 6301-2NSE ball bearing is made of chrome bearing steel and has rubber seals. It has a 12 mm inside diameter, a 37 mm outside diameter, and a 12 mm depth. The bearing has deep groove geometry for supporting both radial and axial loads and high speeds. The races are made of chrome bearing steel for durability and resistance to deformity under heavy loads. The C3 radial clearance allows thermal expansion for continuous operating temperatures up to 248 degrees F/120 degrees C. Rubber seals on both sides of the bearing help retain lubricant and exclude contaminants. The ball is made of chrome bearing steel for strength and resistance to wear and deformation. The static load rating is 4,250 newtons and the dynamic load rating is 9,750 newtons. A steel cage spaces the balls for even load distribution and prevents contact to reduce friction, vibration, and noise. The maximum speed with grease lubrication is 16,000 revolutions per minute (rpm). This deep groove ball bearing is used in applications such as electric motors, compressors, and material handling equipment, among others.

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.

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Customer reviews

4.6 out of 5 stars
4.6 out of 5
24 global ratings

Customers say

Customers like the fit and quality of the hardware bearing. They mention that it fits nicely and feels like an original manufacture part.

AI-generated from the text of customer reviews

6 customers mention6 positive0 negative

Customers are satisfied with the fit of the hardware bearing. They mention that it fits nicely and is a perfect fit for their idler pulley on their 1998 Toyota 4Runner.

"Perfect fit for the idler pulley on my 1998 Toyota 4Runner" Read more

"this bearing is the perfect fit for what we needed it" Read more

"Perfect fit for my tension pulley on my 93fzj 80!" Read more

"Fits perfectly for my 2002 Tundra 5vzfe idler pulley." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the quality of the bearing. They mention that it is a high-quality bearing that feels like an original manufacture part.

"Feels like original manufacture part." Read more

"Seems to be a quality Japan made bearing. Used on lower AC idler pulley on my 02 Tacoma V6 4WD. Time and mileage will tell...." Read more

"These are top quality replacement bearings for the idler pulley in a 1996-2004 Tacoma (probably more years as well) (both 4cyl and V6)...." Read more

"this fit my 2008 Hyundai accent good quality" Read more

right part for a/c idler bearing on Toyota 3.4l
5 Stars
right part for a/c idler bearing on Toyota 3.4l
confirmed this fit my 1st generation Toyota tacoma with 3.4l v6 a/c idler bearing. i show the new vs original bearing and the assembly and the pressing out of the old bearing.
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Top reviews from the United States

Meaux704
5.0 out of 5 stars Exact Fit and Smooth
Reviewed in the United States on November 15, 2023
Verified Purchase
Feels like original manufacture part.
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Joe_Consumer
5.0 out of 5 stars Seems to be a quality Japan made bearing. Used ...
Reviewed in the United States on February 3, 2016
Verified Purchase
Seems to be a quality Japan made bearing. Used on lower AC idler pulley on my 02 Tacoma V6 4WD. Time and mileage will tell. If you expose your vehicle to lots of mud, water crossings expect this idler bearing to fail earlier than expected.
4 people found this helpful
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Biscuit
5.0 out of 5 stars but not for the air conditioner belt so you must go OEM for $70-$100 or better yet, swap the bearings with these
Reviewed in the United States on June 24, 2015
Verified Purchase
I used these to replace the idler pulley bearings on a 1991 Infiniti Q45. Note that you will need a shop press to do this job or the help of your local machine shop. You can get aftermarket replacement pulleys on Amazon (Dayco brand ~$30 a piece) for the alternator and power steering belts on this car, but not for the air conditioner belt so you must go OEM for $70-$100 or better yet, swap the bearings with these. The Nachi bearings are quality ... equal or better to the original Japanese NTN 6301LU bearings used for the factory pulleys, and likely better than the ones the new Dayco pulleys come with. In my case I ordered one Dayco pulley before deciding to replace bearings, so I can attest to the quality. The Nachi bearings have a smoother tighter feeling when turned by hand compared to the 6301-RS bearings that came in the Dayco pulley, though I suspect either will out live this car.
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DDC
5.0 out of 5 stars Five Stars
Reviewed in the United States on December 15, 2017
Verified Purchase
Perfect fit for the idler pulley on my 1998 Toyota 4Runner
2 people found this helpful
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chris
5.0 out of 5 stars 1999 Tacoma Idler Pulley Bearing
Reviewed in the United States on October 4, 2013
Verified Purchase
These are top quality replacement bearings for the idler pulley in a 1996-2004 Tacoma (probably more years as well) (both 4cyl and V6). Save a nice $20+ by replacing the bearing instead of the entire pulley.
3 people found this helpful
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Brandon
5.0 out of 5 stars right part for a/c idler bearing on Toyota 3.4l
Reviewed in the United States on April 20, 2019
Verified Purchase
confirmed this fit my 1st generation Toyota tacoma with 3.4l v6 a/c idler bearing. i show the new vs original bearing and the assembly and the pressing out of the old bearing.
Customer image
Brandon
5.0 out of 5 stars right part for a/c idler bearing on Toyota 3.4l
Reviewed in the United States on April 20, 2019
confirmed this fit my 1st generation Toyota tacoma with 3.4l v6 a/c idler bearing. i show the new vs original bearing and the assembly and the pressing out of the old bearing.
Images in this review
Customer image Customer image Customer image
Customer imageCustomer imageCustomer image
4 people found this helpful
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jw
5.0 out of 5 stars Five Stars
Reviewed in the United States on May 13, 2017
Verified Purchase
this bearing is the perfect fit for what we needed it
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Junior Arevalo
5.0 out of 5 stars work well
Reviewed in the United States on February 26, 2019
Verified Purchase
they work just as well as the factory ones . a grate buy
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Top reviews from other countries

Duke Vanderveer
5.0 out of 5 stars Five Stars
Reviewed in Canada on March 29, 2018
Verified Purchase
Installed & working
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