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NA49 Entity Bushed Needle Roller Bearing

NA49 Entity Bushed Needle Roller Bearing

NA49 Entity Bushed Needle Roller Bearing

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NA49 Entity Bushed Needle Roller Bearing

 

NA49 RNA49 Entity Bushed Needle Roller Bearing is assembled with chrome steel outer ring, Inner Ring, cage and Needle Roller.

This kind of bearing is the most widely in using. Mainly used in automobile, textile machine, printing machine, etc.


Main characteristic

1. low height of cross section, large load carry capacity, high hardness of outer ring and inner ring, big rigidness

2. compact and different structure

3. flexible fit

4. Big range of size

Inner ring, outer ring

1． material: GCr15 chrome steel

2． process: lathing, grinding

3． heat treatment: quenching (high temperature temper for special request)

Cage

1. material: ST12 low carbon steel

2. process: punching

3. heat treatment: carburization, black

 

Needle roller

1. material: GCr15 chrome steel

2. process: grinding

3. heat treatment: quenching, HRC60-64

d=12mm

D=24mm

B=13MM

 

mm Without IR g Fw D C     mm With IR g d D B
14 RNA 4900 16 14 22 13     10 NA 4900 23 10 22 13
16 RNA 4901 17 16 24 13     12 NA 4901 26 12 24 13
20 RNA 4902 21 20 28 13     15 NA 4902 34 15 28 13
22 RNA 4903 22 22 30 13     17 NA 4903 37 17 30 13
25 RNA 4904 52 25 37 17     20 NA 4904 75.2 20 37 17
28 RNA 49/22 50 28 39 17     22 NA 49/22 80 22 39 17
30 RNA 4905 61 30 42 17     25 NA 4905 88 25 42 17
32 RNA 49/28 73 32 45 17     28 NA 49/28 97.7 28 45 17
35 RNA 4906 69 35 47 17     30 NA 4906 101 30 47 17
40 RNA 49/32 89 40 52 20     32 NA 49/32 158 32 52 20
42 RNA 4907 107 42 55 20     35 NA 4907 170 35 55 20
48 RNA 4908 140 48 62 22     40 NA 4908 230 40 62 22
52 RNA 4909 182 52 68 22     45 NA 4909 271 45 68 22
58 RNA 4910 163 58 72 22     50 NA 4910 274 50 72 22
63 RNA 4911 255 63 80 25     55 NA 4911 393 55 80 25
68 RNA 4912 275 68 85 25     60 NA 4912 426 60 85 25
72 RNA 4913 312 72 90 25     65 NA 4913 456 65 90 25
80 RNA 4914 460 80 100 30     70 NA 4914 728 70 100 30
85 RNA 4915 489 85 105 30     75 NA 4915 775 75 105 30
90 RNA 4916 516 90 110 30     80 NA 4916 878 80 110 30
100 RNA 4917 657 100 120 35     85 NA 4917 1250 85 120 35
105 RNA 4918 745 105 125 35     90 NA 4918 1312 90 125 35
110 RNA 4919 719 110 130 35     95 NA 4919 1371 95 130 35
115 RNA 4920 1150 115 140 40     100 NA 4920 1900 100 140 40
125 RNA 4922 1240 125 150 40     110 NA 4922 2070 110 150 40
135 RNA 4924 1860 135 165 45     120 NA 4924 2860 120 165 45
150 RNA 4926 2657 150 180 50     130 NA 4926 3014 130 180 50
160 RNA 4928 2771 160 190 50     140 NA 4928 2860 140 190 50

 

 

We are a chinese professional manufacturer for the Needle Bearing and Roller Bearing in Shanghnai.

15 years working experience, has been committed to the development and production of high-precision bearings.
Professional R&D team provide various solutions for different customers.
Quality inspectors at all levels to ensure that each product delivered with high standard.
The first-line staff be trained in reguarly, ensuring safety and make sure to complete every order with quality and quantity.

Looking for Needle Roller Bearing Factory manufacturer & supplier ? We have a wide selection at great prices to help you get creative. 
All the Needle Bearing are quality guaranteed. We are China Origin Factory of Needle Bearings. If you have any question, please feel free to contact us.
Needle Roller Bearing ,Drawn Cup Needle Roller Bearing Factory,manufacturer & supplier in China