Where there is no any severe pollution,the opened bearings should be preferred;where the cleaning and well lubrication are required,the sealed bearings should be perferred.
Quality control standard
Nowdays,the product tracking is becoming more and more important.To meet this requirement,each series of bearings is numbered,for customers to confirm easily and quickly the company's products at any time.
C-type open bearings (7 Open series)
AA Series , A Series, B Series, C Series, D Series, F Series, G Series
3/16"x3/16" 1/4"x1/4" 5/16"x5/16" 3/8"x3/8" 1/2"x1/2" 3/4"x3/4" 1/1"x1/1"
Please ask freely if you are interested in our products.Thanks.
