Welcome to choose KORTON INDUSTRIAL LIMITED.
NO 1. our adwantages:
1. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical rollerbearings, spherical ball bearings, spherical roller bearings, single row angular contact bearings, double row angular contact bearings, needle roller bearings, thrust ball bearings, spherical plain bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available
NO 2. Description: Needle Bearing
Needle bearings are heavily used in automobile components such as rocker arm pivots, pumps, compressors, and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least eight needle bearings (four in each U joint) and often more if it is particularly long, or operates on steep slopes.
Additional clarification of needle roller bearing: According to "Marks' Standard Handbook for Mechanical Engineers", a needle bearing is a roller bearing with rollers whose length are at least four times their diameter.
Paper moving for copiers, fax machines, paper towel dispensers, etc.
Exercise equipment
Two-speed gearboxes
Rack indexing drives
Converters, non-return devices and transcendental clutches.
Fishing Reels, RC Cars, RC Helis, RC Engines
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 |
NO 3. OEM all brand bearing
1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS
2. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,W33
3. cylindrical roller bearing N,NU,NJ,NN,NUP,E,ECP,ECM,ECJ
4. taper roller bearing 30200,30300,32200,32300,31300,32000
5. Aligning ball bearing 1200,1300,2200,2300,
6. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN
7. thrust ball bearing 51100,51200,51300,51400,E,M
8. angular contact ball bearing7000,7100,7200,7300,AC,BECBM,C
9. spherical plain bearing GE,GEG,GEEW,U,UC,UG,GX,GAC,SA,SABP
10.Wheel hub bearing /ceramic bearing/plastic bearing/lazy susan bearing
NO 4. Needle Bearing Specification:
Seals Types |
OPEN |
Vibration Level |
Z1V1,Z2V2,Z3V3 |
Clearance |
C2,C0,C3,C4,C5 |
Tolerance Codes |
ABEC-1,ABEC-3,ABEC-5 |
Materral |
GCr15-China/AISI52100-USA/Din100Cr6-Germany |
MOQ |
1Set at least |
Delivery Time |
5-10 days after contract |
Payment Terms |
TT/PAPAL/WESTERN UNION |
Pavkage |
Tube package+outer carton+pallets;Single box+outer carton+pallets;Tube pavkge+middle box+outer carton+pallets;According to your requirement |
NO 5. Needle Bearing Models and Size:
Bearing Designation |
Boundary Dimensions |
Basic Load Ratings |
Limiting Speed |
HK |
BK |
Fw |
D |
C |
Cr Dynamic |
Cor Static |
Oil |
mm |
mm |
mm |
Nm |
Nm |
HK0306TN |
BK0306TN |
3 |
6.5 |
6 |
1320 |
950 |
60000 |
HK0408TN |
BK0408TN |
4 |
8 |
8 |
1540 |
1070 |
40000 |
HK0509 |
BK0509 |
5 |
9 |
9 |
2200 |
1790 |
36000 |
HK0608 |
- |
6 |
10 |
8 |
1830 |
1550 |
32000 |
HK0609 |
BK0609 |
6 |
10 |
9 |
2650 |
2400 |
3000 |
HK0708 |
- |
7 |
11 |
8 |
2800 |
2150 |
27000 |
HK0709 |
BK0709 |
7 |
11 |
9 |
2800 |
2150 |
27000 |
HK0808 |
BK0808 |
8 |
12 |
8 |
2550 |
2400 |
21000 |
HK0810 |
BK0810 |
8 |
12 |
10 |
3700 |
3450 |
21000 |
HK08×14×10 |
- |
8 |
14 |
10 |
3800 |
3950 |
25000 |
HK08×14×12 |
- |
8 |
14 |
12 |
4100 |
4320 |
25000 |
HK0910 |
BK0910 |
9 |
13 |
10 |
4050 |
4250 |
25000 |
HK0912 |
- |
9 |
13 |
12 |
5000 |
6000 |
25000 |
HK1010 |
BK1010 |
10 |
14 |
10 |
3900 |
4800 |
19000 |
HK1012 |
BK1012 |
10 |
14 |
10 |
5000 |
6300 |
19000 |
HK1015 |
- |
10 |
14 |
15 |
6700 |
7800 |
19000 |
HK10×16×10 |
- |
10 |
16 |
10 |
6800 |
8800 |
18000 |
HK10×16×12 |
- |
10 |
16 |
12 |
6800 |
8800 |
18000 |
HK10×16×15 |
- |
10 |
16 |
15 |
6800 |
8800 |
19000 |
HK1210 |
BK1210 |
12 |
16 |
10 |
4150 |
5800 |
19000 |
HK1212 |
BK1212 |
12 |
18 |
12 |
3800 |
5100 |
15000 |
HK12×17×12 |
- |
12 |
17 |
12 |
5100 |
7000 |
15000 |
HK12×17×15 |
- |
12 |
17 |
15 |
5100 |
7000 |
15000 |
HK12×17×18 |
- |
12 |
17 |
18 |
5100 |
7000 |
15000 |
HK12×18×12 |
BK12×18×12 |
12 |
18 |
12 |
550 |
6300 |
17000 |
HK1312 |
BK1312 |
13 |
19 |
12 |
6200 |
7100 |
17000 |
HK13.5×20×12 |
- |
13.5 |
20 |
12 |
6250 |
7590 |
16000 |
HK1412 |
- |
14 |
20 |
12 |
6800 |
7500 |
14000 |
HK1416 |
- |
14 |
20 |
16 |
7300 |
9000 |
14000 |
HK15×20×12 |
- |
15 |
20 |
12 |
5800 |
6000 |
14000 |
HK15×20×16 |
- |
15 |
20 |
16 |
6000 |
6200 |
14000 |
HK15×20×20 |
- |
15 |
20 |
20 |
6100 |
6400 |
14000 |
HK1512 |
BK1512 |
15 |
21 |
12 |
7000 |
8400 |
14000 |
HK1514 |
- |
15 |
21 |
14 |
8500 |
10400 |
13000 |
HK1515 |
- |
15 |
21 |
15 |
9100 |
11400 |
13000 |
HK1516 |
BK1516 |
15 |
21 |
16 |
9800 |
11400 |
14000 |
HK1522 |
- |
15 |
21 |
22 |
10400 |
16500 |
14000 |
HK15×22×12 |
- |
15 |
22 |
12 |
14300 |
18400 |
13000 |
HK1612 |
BK1612 |
16 |
22 |
12 |
7100 |
9200 |
14000 |
HK1614 |
- |
16 |
22 |
14 |
8800 |
9900 |
12000 |
HK1616 |
BK1616 |
16 |
22 |
16 |
10100 |
14300 |
14000 |
HK1622 |
- |
16 |
22 |
22 |
11100 |
17400 |
14000 |
HK1712 |
- |
17 |
23 |
12 |
6900 |
9300 |
13000 |
HK1714 |
- |
17 |
23 |
14 |
6800 |
10200 |
10000 |
HK1716 |
- |
17 |
23 |
16 |
8500 |
12500 |
10000 |
HK1718 |
- |
17 |
23 |
18 |
9500 |
10600 |
10000 |
HK17×25×14 |
- |
17 |
25 |
14 |
13100 |
147000 |
10000 |
HK17×25×18 |
- |
17 |
25 |
18 |
9500 |
10600 |
11000 |
HK1812 |
- |
18 |
24 |
12 |
7100 |
9900 |
12000 |
HK1816 |
BK1816 |
18 |
24 |
16 |
10600 |
15300 |
12000 |
HK2010 |
- |
20 |
26 |
10 |
5900 |
7200 |
10000 |
HK2014 |
- |
20 |
26 |
14 |
9700 |
18100 |
9000 |
HK2016 |
BK2016 |
20 |
26 |
16 |
11700 |
29100 |
10000 |
HK2018 |
- |
20 |
26 |
18 |
7900 |
12800 |
9000 |
HK2020 |
- |
20 |
26 |
20 |
13700 |
24000 |
10000 |
HK2030 |
- |
20 |
26 |
30 |
21800 |
40000 |
10100 |
HK20×27×20 |
- |
20 |
27 |
20 |
26300 |
47800 |
9900 |
HK2210 |
- |
22 |
28 |
10 |
7200 |
9500 |
10010 |
HK2212 |
BK2212 |
22 |
28 |
12 |
8100 |
10400 |
10010 |
HK22×29×30 |
- |
22 |
29 |
30 |
19400 |
33100 |
9000 |
HK2512 |
BK2512 |
25 |
32 |
12 |
10000 |
14200 |
9000 |
HK2525 |
BK2525 |
25 |
32 |
25 |
22200 |
36700 |
9000 |
HK2816 |
BK2816 |
28 |
35 |
16 |
15400 |
22500 |
8700 |
HK2820 |
BK2820 |
28 |
35 |
20 |
18900 |
32000 |
8700 |
HK3012 |
BK3012 |
30 |
37 |
12 |
10100 |
16200 |
8100 |
HK3020 |
BK3020 |
30 |
37 |
20 |
19700 |
33500 |
8100 |
HK3224 |
- |
32 |
39 |
24 |
25500 |
5200 |
7300 |
HK3516 |
BK3516 |
35 |
42 |
16 |
15700 |
27500 |
7100 |
HK4012 |
BK4012 |
40 |
47 |
12 |
14000 |
24300 |
6300 |
HK4512 |
BK4512 |
45 |
52 |
12 |
12900 |
22500 |
5800 |
HK5020 |
BK5020 |
50 |
58 |
20 |
28000 |
60000 |
5300 |
HK6012 |
BK6012 |
60 |
68 |
12 |
12400 |
29000 |
4100 |
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 |
Bearing NO. |
Shaft Diameter (mm) |
Dimension(mm) |
Mass Approx (g) |
Current Code |
Fw |
D |
C |
K3X5X7TN |
3 |
3 |
5 |
7 |
0.3 |
K3X5X9TN |
3 |
3 |
5 |
9 |
0.4 |
K3X6X7TN |
3 |
3 |
6 |
7 |
0.4 |
K4X7X7TN |
4 |
4 |
7 |
7 |
0.5 |
K4X7X10TN |
4 |
4 |
7 |
10 |
0.7 |
K5X8X8TN |
5 |
5 |
8 |
8 |
0.7 |
K5X8X10TN |
5 |
5 |
8 |
10 |
0.9 |
K6X9X8TN |
6 |
6 |
9 |
8 |
0.8 |
K6X9X10TN |
6 |
6 |
9 |
10 |
1 |
K6X10X13TN |
6 |
6 |
10 |
13 |
1.3 |
K7X10X8TN |
7 |
7 |
10 |
8 |
0.9 |
K7X10X10TN |
7 |
7 |
10 |
10 |
1.1 |
K8X11X8TN |
8 |
8 |
11 |
8 |
1.1 |
K8X11X10TN |
8 |
8 |
11 |
10 |
1.7 |
K8X11X13TN |
8 |
8 |
11 |
13 |
1.8 |
K8X12X10TN |
8 |
8 |
12 |
10 |
1.3 |
K9X12X10TN |
9 |
9 |
12 |
10 |
1.5 |
K9X12X13TN |
9 |
9 |
12 |
13 |
1.9 |
K10X13X10TN |
10 |
10 |
13 |
10 |
1.6 |
K10X13X13TN |
10 |
10 |
13 |
13 |
2.1 |
K10X13X16TN |
10 |
10 |
13 |
16 |
2.2 |
K10X14X10TN |
10 |
10 |
14 |
10 |
2.9 |
K10X14X13TN |
10 |
10 |
14 |
13 |
4.3 |
K10X16X12TN |
10 |
10 |
16 |
12 |
3.7 |
K12X15X9TN |
12 |
12 |
15 |
9 |
2.7 |
K12X15X10TN |
12 |
12 |
15 |
10 |
1.9 |
K12X15X13TN |
12 |
12 |
15 |
13 |
2.4 |
K12X16X8TN |
12 |
12 |
16 |
8 |
2.9 |
K12X16X10TN |
12 |
12 |
16 |
10 |
3.4 |
K12X16X13TN |
12 |
12 |
16 |
13 |
3.8 |
K12X17X13TN |
12 |
12 |
17 |
13 |
4.4 |
K12X18X12TN |
12 |
12 |
18 |
12 |
5 |
K12X15X20TN |
12 |
12 |
15 |
20 |
3.8 |
K14X17X10 |
14 |
14 |
17 |
10 |
4 |
K14X17X17 |
14 |
14 |
17 |
17 |
6.8 |
K14X18X10 |
14 |
14 |
18 |
10 |
4.8 |
K14X18X13 |
14 |
14 |
18 |
13 |
6.3 |
K14X18X14 |
14 |
14 |
18 |
14 |
6.8 |
K14X18X15 |
14 |
14 |
18 |
15 |
7.3 |
K14X18X17 |
14 |
14 |
18 |
17 |
8.1 |
K14X20X12 |
14 |
14 |
20 |
12 |
8.6 |
K15X18X14 |
15 |
15 |
18 |
14 |
5.3 |
K15X18X17 |
15 |
15 |
18 |
17 |
6.4 |
K15X19X10 |
15 |
15 |
19 |
10 |
5.1 |
Why Choose Us:
l Jinan TIANYUAN bearing company has 14 years manufacture experience and is one of the biggest adjustment center in north of China.
l We have large stock of original brand and our own brand bearing.
l Sample is available.
We can accept OEM service.