NA Series	 Stainless Steel Insert Ball Bearings
NA Series	 Stainless Steel Insert Ball Bearings
NA Series	 Stainless Steel Insert Ball Bearings

NA Series

NA series insert bearings are rolling bearings designed to simplify installation and maintenance. They usually consist of an inner ring, an outer ring and rolling elements. The inner ring can be installed directly on the shaft, while the outer ring is usually fixed on the casing or bracket. NA series bearings have good wear resistance and load-bearing capacity and are widely used in industrial equipment, agricultural machinery, power tools and other fields. Their design allows operation with a certain degree of axis offset and angle changes, making them highly adaptable. This series of bearings also offers a variety of sealing and dustproofing options to improve their performance in harsh environments. The characteristics of the NA series insert bearings make them an efficient and reliable choice to meet a variety of application needs and reduce equipment maintenance costs.

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Product parameters

Bearing No. d Dimensions(mm) Basic Load Rating (kN)
(mm) (in.) D Be Bi B1 n K H G ds Dynamic Static
NA203 17 40 14 37.3 27.8 13.9 28.6 13.5 5 M6x1 900 500
NA203-11 17.463 11/16 40 14 37.3 27.8 13.9 28.6 13.5 5 1/4-28UNF 900 500
NA204-12 19.05 3/4 47 17 43.7 34.2 17.1 33.3 13.5 5 1/4-28UNF 1250 650
NA204 20 47 17 43.7 34.2 17.1 33.3 13.5 5 M6x1 1250 650
NA205-14 22.225 7/8 52 17 44.4 35 17.5 38.1 13.5 5 1/4-28UNF 1400 750
NA205-15 23.813 15/16 52 17 44.4 35 17.5 38.1 13.5 5 1/4-28UNF 1400 750
NA205 25 52 17 44.4 35 17.5 38.1 13.5 5 M6x1 1400 750
NA205-16 25.4 1 52 17 44.4 35 17.5 38.1 13.5 5 1/4-28UNF 1400 750
NA206-18 28.575 11/8 62 19 48.4 36.6 18.3 44.5 15.9 6 5/16-24UNF 1900 1100
NA206 30 62 19 48.4 36.6 18.3 44.5 15.9 6 M8x1 1900 1100
NA206-19 30.163 13/16 62 19 48.4 36.6 18.3 44.5 15.9 6 5/16-24UNF 1900 1100
NA206-20 31.75 11/4 62 19 48.4 36.6 18.3 44.5 15.9 6 5/16-24UNF 1900 1100
NA207-20 31.75 11/4 72 20 51.1 37.6 18.8 55.6 17.5 6.5 5/16-24UNF 2550 1500
NA207-22 34.925 13/8 72 20 51.1 37.6 18.8 55.6 17.5 6.5 5/16-24UNF 2550 1500
NA207 35 72 20 51.1 37.6 18.8 55.6 17.5 6.5 M8x1 2550 1500
NA207-23 36.513 17/6 72 20 51.1 37.6 18.8 55.6 17.5 6.5 5/16-24UNF 2550 1500
NA208-24 38.1 11/2 80 21 56.3 42.8 21.4 60.3 18.3 6.5 5/16-24UNF 2950 1800
NA208-25 39.688 19/16 80 21 56.3 42.8 21.4 60.3 18.3 6.5 5/16-24UNF 2950 1800
NA208 40 80 21 56.3 42.8 21.4 60.3 18.3 6.5 M8x1 2950 1800
NA209-26 41.275 15/8 85 22 56.3 42.8 21.4 63.5 18.3 6.5 5/16-24UNF 3180 2050
NA209-27 42.863 1 11/16 85 22 56.3 42.8 21.4 63.5 18.3 6.5 5/16-24UNF 3180 2050
NA209-28 44.45 13/4 85 22 56.3 42.8 21.4 63.5 18.3 6.5 5/16-24UNF 3180 2050
NA209 45 85 22 56.3 42.8 21.4 63.5 18.3 6.5 M8x1 3180 2050
NA210-31 49.213 1 15/16 90 24 62.7 49.2 24.6 69.9 18.3 6.5 5/16-24UNF 3500 2300
NA210 50 90 24 62.7 49.2 24.6 69.9 18.3 6.5 M8x1 3500 2300
NA210-32 50.8 2 90 24 62.7 49.2 24.6 69.9 18.3 6.5 5/16-24UNF 3500 2300
NA211-32 50.8 2 100 25 71.4 55.6 27.8 76.2 20.7 8 3/8-24UNF 4350 2900
NA211 55 100 25 71.4 55.6 27.8 76.2 20.7 8 M10x1.25 4350 2900
NA211-35 55.563 23/16 100 25 71.4 55.6 27.8 76.2 20.7 8 3/8-24UNF 4350 2900
NA212-36 57.15 21/4 110 27 77.8 62 31 84.2 22.3 8 3/8-24UNF 4750 3250
NA212 60 110 27 77.8 62 31 84.2 22.3 8 M10x1.25 4750 3250
NA212-39 61.913 27/16 110 27 77.8 62 31 84.2 22.3 8 3/8-24UNF 4750 3250
NA213-40 63.5 21/2 120 28 85.7 68.6 34.1 86 23.5 8.5 3/8-24UNF 5700 4000
NA213 65 120 28 85.7 68.6 34.1 86 23.5 8.5 M10x1.25 5700 4000
NA215-47 74.613 215/16 130 30 92.1 75 37.3 102 23.5 8.5 3/8-24UNF 6600 4950
NA215 75 130 30 92.1 75 37.3 102 23.5 8.5 M10x1.25 6600 4950
NA215-48 76.2 3 130 30 92.1 75 37.3 102 23.5 8.5 3/8-24UNF 6600 4950

about Yinin

Shanghai Yinin Bearing and Transmission Company was founded in 2009 and has over 20 years of experience in the bearing field. We are China NA Series Stainless Steel Insert Ball Bearings manufacturers and offer custom NA Series Stainless Steel Insert Ball Bearings factory. Since 1999, starting from representing bearing manufacturers in China, we have exported different kinds of bearings. Nowadays we are developing one completed sales and manufacturing bearings group.

Industry Applications

Bearings also play a very important role in agricultural machinery. They are used to support rotatin...

Bearings are widely used in automobiles. They are the key supporting and rotating parts of many movi...

Used for support, height, angle, joint, and rotating parts of medical equipment.

Used for support, rotation, motor and compressor parts of household appliances.

Used for rotation and movement of support and guide parts of automation equipment

In building structures, bearings can be used to connect different structural components.

In the production process of food and beverages, pumps are needed to transport liquids and compresso...

Bearings are used in aircraft and spacecraft engines to support rotating components such as turbines...

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