Standard 20*52*21mm 2304 Self-aligning Ball Bearing
2304 self-aligning ball bearing more detail
| production name |
Standard 20*52*21mm 2304 Self-aligning Ball Bearing |
| brand |
TFN/OEM |
| Model Number |
2304 |
| Dimension |
20*52*21mm |
| Basic dynamic load rating |
14.3kN |
| Basic static load rating |
4kN |
| Fatigue load limit |
0.21kN |
| Permissible angular misalignment |
1.5 |
| Limiting speed |
9000r/min |
| Ring Material |
Gcr15/ Carbon Steel/ Stainless Steel/ Si3N4/ ZrO2 |
| Cage Material |
Steel/ Brass/ Nylon/ Custom |
| Precision |
P0, P6, P5, or as requested |
| Vibration |
ZV1, ZV2, ZV3, or as requested |
| Clearance |
C0,C2,C3, or as requested |
| Quality standard |
ISO9001:2000/ SGS |
| Quality Control Process |
1.Assembly |
| 2.Windage test2.Windage test |
| 3.Cleaning |
| 4.Rotary test |
| 5.Greasing and gland |
| 6.Noise inspection |
| 7.Appearance inspection |
| 8.Rust prevention |
| 9.Product packaging |
| Application |
low noise machine,automobile,motorcycle,and the general machinery and etc. |
More model of self-aligning ball bearing
| |
Bearing Number |
Boundary dimensions(mm) |
Basic load ratings(kN) |
Limiting speeds(rpm) |
Mass(Kg) |
| |
|
d |
D |
B |
rs min |
Cr |
Cor |
Grease |
Oil |
(Approx.) |
| 12 Series |
1200 |
10 |
30 |
9 |
0.6 |
5.5 |
1.19 |
21,000 |
24,000 |
0.033 |
| |
1201 |
12 |
32 |
10 |
0.6 |
5.6 |
1.27 |
18,000 |
22,000 |
0.04 |
| |
1202 |
15 |
35 |
11 |
0.6 |
7.45 |
1.75 |
16,000 |
19,000 |
0.049 |
| |
1203 |
17 |
40 |
12 |
0.6 |
7.9 |
2.01 |
14,000 |
17,000 |
0.072 |
| |
1204 |
20 |
47 |
14 |
1 |
9.9 |
2.61 |
13,000 |
15,000 |
0.116 |
| |
1205 |
25 |
52 |
15 |
1 |
12.1 |
3.3 |
11,000 |
13,000 |
0.138 |
| |
1206 |
30 |
62 |
16 |
1 |
15.6 |
4.65 |
9,200 |
11,000 |
0.217 |
| |
1207 |
35 |
72 |
17 |
1.1 |
15.8 |
5.1 |
8,000 |
9,400 |
0.317 |
| |
1208 |
40 |
80 |
18 |
1.1 |
19.3 |
6.55 |
7,100 |
8,400 |
0.414 |
| |
1209 |
45 |
85 |
19 |
1.1 |
21.9 |
7.35 |
6,400 |
7,500 |
0.457 |
| |
1210 |
50 |
90 |
20 |
1.1 |
22.7 |
8.1 |
5,800 |
6,800 |
0.515 |
| |
1211 |
55 |
100 |
21 |
1.5 |
26.8 |
10 |
5,300 |
6,200 |
0.692 |
| |
1212 |
60 |
110 |
22 |
1.5 |
30 |
11.5 |
4,900 |
5,800 |
0.879 |
| |
1213 |
65 |
120 |
23 |
1.5 |
31 |
12.5 |
4,500 |
5,300 |
1.13 |
| |
1214 |
70 |
125 |
24 |
1.5 |
34.5 |
13.8 |
4,200 |
4,900 |
1.24 |
| |
1215 |
75 |
130 |
25 |
1.5 |
39 |
15.7 |
3,900 |
4,600 |
1.33 |
| |
1216 |
80 |
140 |
26 |
2 |
40 |
17 |
3,700 |
4,300 |
1.65 |
| |
1217 |
85 |
150 |
28 |
2 |
49 |
20.8 |
3,500 |
4,100 |
2.06 |
| |
1218 |
90 |
160 |
30 |
2 |
57 |
23.5 |
3,300 |
3,800 |
2.51 |
| |
1219 |
95 |
170 |
32 |
2.1 |
64 |
27.1 |
3,100 |
3,600 |
3.1 |
| |
1220 |
100 |
180 |
34 |
2.1 |
69 |
29.7 |
2,900 |
3,400 |
3.7 |
| |
1221 |
105 |
190 |
36 |
2.1 |
74.5 |
32.5 |
2,800 |
3,300 |
4.34 |
| |
1222 |
110 |
200 |
38 |
2.1 |
80.5 |
35.5 |
2,600 |
3,100 |
5.15 |
| 12K Series |
1203K |
17 |
40 |
12 |
0.6 |
7.9 |
2.01 |
14,000 |
17,000 |
0.076 |
| |
1204K |
20 |
47 |
14 |
1 |
9.9 |
2.61 |
13,000 |
15,000 |
0.114 |
| |
1205K |
25 |
52 |
15 |
1 |
12.1 |
3.3 |
11,000 |
13,000 |
0.135 |
| |
1206K |
30 |
62 |
16 |
1 |
15.6 |
4.65 |
9,200 |
11,000 |
0.213 |
| |
1207K |
35 |
72 |
17 |
1.1 |
15.8 |
5.1 |
8,000 |
9,400 |
0.312 |
| |
1208K |
40 |
80 |
18 |
1.1 |
19.3 |
6.55 |
7,100 |
8,400 |
0.407 |
| |
1209K |
45 |
85 |
19 |
1.1 |
21.9 |
7.35 |
6,400 |
7,500 |
0.448 |
| |
1210K |
50 |
90 |
20 |
1.1 |
22.7 |
8.1 |
5,800 |
6,800 |
0.504 |
| |
1211K |
55 |
100 |
21 |
1.5 |
26.8 |
10 |
5,300 |
6,200 |
0.679 |
| |
1212K |
60 |
110 |
22 |
1.5 |
30 |
11.5 |
4,900 |
5,800 |
0.864 |
| |
1213K |
65 |
120 |
23 |
1.5 |
31 |
12.5 |
4,500 |
5,300 |
1.11 |
| |
1215K |
75 |
130 |
25 |
1.5 |
39 |
15.7 |
3,900 |
4,600 |
1.31 |
| |
1216K |
80 |
140 |
26 |
2 |
40 |
17 |
3,700 |
4,300 |
1.62 |
| |
1217K |
85 |
150 |
28 |
2 |
49 |
20.8 |
3,500 |
4,100 |
2.03 |
| |
1218K |
90 |
160 |
30 |
2 |
57 |
23.5 |
3,300 |
3,800 |
2.47 |
| |
1219K |
95 |
170 |
32 |
2.1 |
64 |
27.1 |
3,100 |
3,600 |
3.05 |
| |
1220K |
100 |
180 |
34 |
2.1 |
69 |
29.7 |
2,900 |
3,400 |
3.64 |
| |
1222K |
110 |
200 |
38 |
2.1 |
80.5 |
35.5 |
2,600 |
3,100 |
5.07 |
| |
1224K |
120 |
215 |
40 |
2.1 |
119.5 |
52.5 |
2,000 |
2,600 |
5.9 |
deep groove ball bearing packaging
FAQ of deep groove ball bearing
1.Q:Are you a factory or trading company?
A:SEMRI Bearing is specialized in manufacturing and exporting bearings.
SEMRI Bearing have own factory and warehouse.
2.Q:Can I get some samples and do you offer the sample free?
A:Yes, sure, SEMRI Bearing are honored to offer you samples.Can you buy a ticket ?3.Q:What is the payment?
A: 30% T/T In Advance, 70% T/T Against Copy Of B/L
B: 100% L/C At Sight
4.Q:What is the MOQ for bearing?
A: SEMRI Bearing MOQ is 1 pc.
5.Q:What kind of service you can offer?
A:Technology support;Installation guidance;OE
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