NA6910
With Cage
Single
Radial Bearing
Without Outer Ring, With Outer Ring, Without Inner Ring, With Inner Ring
Bearing Steel
Open
50mm
72mm
22mm
Single
Non-Aligning Bearings
Unseparated
Needle Roller
IKO/OEM
Single Box, Plastic Barrel, Carton, Tray
CE, ISO9001
China
8482400000
Product Description
KORTON INDUSTRIAL LIMITED/LAIBISHENG BEARING CO.,LTD
1. 15 years bearing products manufacturing and exporting experiences.
2. Low friction and running temperatures, low noise and vibration
3. High running speeds. High quality and performance capabilities for your application
4. Increased reliability and provide long bearing and lubricant service life
5. LIBC bearing catalogue lists a large range of designs, variants and sizes of deep groove ball bearings. Beyond our catalogue offering, the LIBC deep groove ball bearings are customizable to offer advantages for applications with specific performance needs.
6. Bearings sample available
7. Professional and quick after-sales service.
1 | Drawn Cup Needle Bearing | HK, BK |
2 | Needle Bearing with Inner Ring | NA, NKI |
3 | Needle Bearing without Inner Ring | NK, RNA |
4 | Full Complement Needle Bearing | NAV |
5 | Radial Needle Roller and Cage Assemblies | K, KK |
6 | Thrust Needle Roller and Cage Assemblies | AXK, AS |
Shaft Dia | Unit No. | Dimensions (mm) | Basic Load Ratings | Limiting speed | Weight | ||||||
mm | d | F | D | B | r min | S | C KN | C0 KN | r/min | g | |
10 | NA4900 | 10 | 14 | 22 | 13 | 0.3 | 0.5 | 8.5 | 9.2 | 20000 | 23 |
12 | NA4901 | 12 | 16 | 24 | 13 | 0.3 | 0.5 | 9.4 | 10.9 | 17000 | 26 |
15 | NA4902 | 15 | 20 | 28 | 13 | 0.3 | 0.5 | 10.6 | 13.6 | 14000 | 34 |
17 | NA4903 | 17 | 22 | 30 | 13 | 0.3 | 0.5 | 11 | 14.6 | 12000 | 37 |
20 | NA4904 | 20 | 25 | 37 | 17 | 0.3 | 0.8 | 21 | 25.5 | 10000 | 141 |
22 | NA49/22 | 22 | 28 | 39 | 17 | 0.3 | 0.8 | 22.8 | 29.5 | 9500 | 80 |
25 | NA4905 | 25 | 30 | 42 | 17 | 0.3 | 0.8 | 23.6 | 31.5 | 9500 | 88 |
28 | NA49/28 | 28 | 32 | 45 | 17 | 0.3 | 0.8 | 24.4 | 33.5 | 8500 | 97.7 |
30 | NA4906 | 30 | 35 | 47 | 17 | 0.3 | 0.8 | 25 | 35.5 | 8000 | 101 |
32 | NA49/32 | 32 | 40 | 52 | 20 | 0.6 | 0.8 | 30.5 | 47.5 | 7000 | 158 |
35 | NA4907 | 35 | 42 | 55 | 20 | 0.6 | 0.8 | 31.5 | 50 | 7000 | 170 |
40 | NA4908 | 40 | 48 | 62 | 22 | 0.6 | 1 | 43 | 67 | 6000 | 230 |
45 | NA4909 | 45 | 52 | 68 | 22 | 0.6 | 1 | 45 | 73 | 8500 | 5500 |
50 | NA4910 | 50 | 58 | 72 | 22 | 0.6 | 1 | 47 | 80 | 5000 | 274 |
55 | NA4911 | 55 | 63 | 80 | 25 | 1 | 1.5 | 58 | 100 | 4700 | 393 |
60 | NA4912 | 60 | 68 | 85 | 25 | 1 | 1.5 | 60 | 108 | 4300 | 426 |
65 | NA4913 | 65 | 72 | 90 | 25 | 1 | 1.5 | 61 | 112 | 4100 | 456 |
70 | NA4914 | 70 | 80 | 100 | 30 | 1 | 1.5 | 84 | 156 | 3800 | 728 |
75 | NA4915 | 75 | 85 | 105 | 30 | 1 | 1.5 | 86 | 162 | 3600 | 775 |
80 | NA4916 | 80 | 90 | 110 | 30 | 1 | 1.5 | 89 | 174 | 3400 | 878 |
85 | NA4917 | 85 | 100 | 120 | 35 | 1.1 | 1 | 111 | 237 | 2800 | 1250 |
90 | NA4918 | 90 | 105 | 125 | 35 | 1.1 | 1 | 114 | 250 | 3000 | 1312 |
95 | NA4919 | 95 | 110 | 130 | 3 | 1.1 | 1 | 116 | 260 | 2800 | 1371 |
100 | NA4920 | 100 | 115 | 140 | 40 | 1.1 | 2 | 128 | 270 | 2900 | 1900 |
110 | NA4922 | 110 | 125 | 150 | 40 | 1.1 | 2 | 132 | 290 | 2600 | 2070 |
120 | NA4924 | 120 | 135 | 165 | 45 | 1.1 | 2 | 181 | 390 | 2300 | 2860 |
130 | NA4926 | 130 | 150 | 180 | 50 | 1.5 | 1.5 | 203 | 470 | 2000 | 3900 |
140 | NA4928 | 140 | 160 | 190 | 50 | 1.5 | 1.5 | 209 | 500 | 1800 | 4150 |
NO. | NO. | SIZE | ||||
WITH INNER | WITHOUT INNER | mm | ||||
d | Fw | D | C | r min | ||
NA5902 | RNA5902 | 15 | 20 | 28 | 18 | 0.3 |
NA5903 | RNA5903 | 17 | 22 | 30 | 18 | 0.3 |
NA5904 | RNA5904 | 20 | 25 | 37 | 23 | 0.3 |
NA59/22 | RNA59/22 | 22 | 28 | 39 | 23 | 0.3 |
NA5905 | RNA5905 | 25 | 30 | 42 | 23 | 0.3 |
NA59/28 | RNA59/28 | 28 | 32 | 45 | 23 | 0.3 |
NA5906 | RNA5906 | 30 | 35 | 47 | 23 | 0.3 |
NA59/32 | RNA59/32 | 32 | 40 | 52 | 27 | 0.6 |
NA5907 | RNA5907 | 35 | 42 | 55 | 27 | 0.6 |
NA5908 | RNA5908 | 40 | 48 | 62 | 30 | 0.6 |
NA5909 | RNA5909 | 45 | 52 | 68 | 30 | 0.6 |
NA5910 | RNA5910 | 50 | 58 | 72 | 30 | 0.6 |
NA5911 | RNA5911 | 55 | 63 | 80 | 34 | 1 |
NA5912 | RNA5912 | 60 | 68 | 85 | 34 | 1 |
NA5913 | RNA5913 | 65 | 72 | 90 | 34 | 1 |
NA5914 | RNA5914 | 70 | 80 | 100 | 40 | 1 |
NA5915 | RNA5915 | 75 | 85 | 105 | 40 | 1 |
NA5916 | RNA5916 | 80 | 90 | 110 | 40 | 1 |
NA5917 | RNA5917 | 85 | 100 | 120 | 46 | 1.1 |
NA5918 | RNA5918 | 90 | 105 | 125 | 46 | 1.1 |
NA5919 | RNA5919 | 95 | 110 | 130 | 46 | 1.1 |
NA5920 | RNA5920 | 100 | 115 | 140 | 54 | 1.1 |
NA5922 | RNA5922 | 110 | 125 | 150 | 54 | 1.1 |
NA5924 | RNA5924 | 120 | 135 | 165 | 60 | 1.1 |
NA5926 | RNA5926 | 130 | 150 | 180 | 67 | 1.5 |
NA5928 | RNA5928 | 140 | 160 | 190 | 67 | 1.5 |




Q: MOQ?
A: Available, from 1-50 pcs.
Q: Bearing quality assurance?
A: Normally 12 months.
Q: Payment term?
A: TT, WEST UNION, PAYPAY.
A: TT, WEST UNION, PAYPAY.