Spherical roller bearings are designed with double-row raceway inner ring, spherical raceway outer ring and the convex symmetrical rollers. With the same center as the bearings, the spherically formed outer ring raceway can make self alignment, which can adapt the deflection between axis and housing bore.
This kind of bearings can take great radial load, suitable for heavy machines used in paper-making, mining, vibration sieve, rolling mill and so on.
Spherical roller bearing features:
1) Series: 21300 series, 22200 series, 22300 series, 23100 series, 23200series,24000 series, 24100 series and 23900 series
2) Material of rings and rollers: chrome steel; GCr15 and GCr15SiMn
3) Material of cages: brass, steel and nylon
4) Precision: P0, P6
5) Suffixes:
a) CA: Integral brass cage, double row symmetrical rollers, inner ring ride
b) MA: Integral brass cage, double row symmetrical rollers, outer ring ride
c) MB: Two piece brass cage, double row asymmetrical rollers, inner ring ride
d) CC: Two piece steel cage, double row symmetrical rollers, inner ring ride
e) CTN1: double row symmetrical rollers, nylon cage
f) K: Tapered bore bearing, the taper is 1:12
g) K30: Tapered bore bearing, the taper is 1:30
h) W33: With lubrication groove in outer ring, with three oil holes
i) C2/C3/C4: Internal clearance series: C2, C0, C3, and C4
Boundary dimensions(mm) |
Basic load ratings(kN) |
Limiting speeds(rpm) |
Mass(Kg) |
Designation |
d |
D |
B |
rs min |
Cr |
Cor |
Grease |
Oil |
(Approx.) |
CC /CA /E /MB |
90 |
160 |
52.4 |
2 |
315 |
455 |
1,800 |
2,800 |
4.45 |
23218 |
90 |
160 |
52.4 |
2 |
315 |
455 |
1,800 |
2,800 |
4.32 |
23218K |
90 |
160 |
52.4 |
2 |
315 |
455 |
1,800 |
2,800 |
4.32 |
23218KW33C3 |
90 |
160 |
52.4 |
2 |
315 |
455 |
1,800 |
2,800 |
4.45 |
23218W33C3 |
100 |
180 |
60.3 |
2.1 |
405 |
580 |
1,600 |
2,500 |
6.47 |
23220 |
100 |
180 |
60.3 |
2.1 |
405 |
580 |
1,600 |
2,500 |
6.28 |
23220K |
100 |
180 |
60.3 |
2.1 |
405 |
580 |
1,600 |
2,500 |
6.28 |
23220KW33C3 |
100 |
180 |
60.3 |
2.1 |
405 |
580 |
1,600 |
2,500 |
6.47 |
23220W33C3 |
110 |
200 |
69.8 |
2.1 |
515 |
760 |
1,400 |
2,200 |
9.71 |
23222 |
110 |
200 |
69.8 |
2.1 |
515 |
760 |
1,400 |
2,200 |
9.43 |
23222K |
110 |
200 |
69.8 |
2.1 |
515 |
760 |
1,400 |
2,200 |
9.43 |
23222KW33C3 |
110 |
200 |
69.8 |
2.1 |
515 |
760 |
1,400 |
2,200 |
9.71 |
23222W33C3 |
120 |
215 |
76 |
2.1 |
585 |
880 |
1,300 |
2,000 |
12.1 |
23224 |
120 |
215 |
76 |
2.1 |
585 |
880 |
1,300 |
2,000 |
11.7 |
23224K |
120 |
215 |
76 |
2.1 |
585 |
880 |
1,300 |
2,000 |
11.7 |
23224KW33C3 |
120 |
215 |
76 |
2.1 |
585 |
880 |
1,300 |
2,000 |
12.1 |
23224W33C3 |
130 |
230 |
80 |
3 |
685 |
1,060 |
1,200 |
1,900 |
14.3 |
23226 |
130 |
230 |
80 |
3 |
685 |
1,060 |
1,200 |
1,900 |
13.9 |
23226K |
130 |
230 |
80 |
3 |
685 |
1,060 |
1,200 |
1,900 |
13.9 |
23226KW33C3 |
130 |
230 |
80 |
3 |
685 |
1,060 |
1,200 |
1,900 |
14.3 |
23226W33C3 |
140 |
250 |
88 |
3 |
805 |
1,270 |
1,100 |
1,700 |
18.8 |
23228 |
140 |
250 |
88 |
3 |
805 |
1,270 |
1,100 |
1,700 |
18.2 |
23228K |
140 |
250 |
88 |
3 |
805 |
1,270 |
1,100 |
1,700 |
18.2 |
23228KW33C3 |
140 |
250 |
88 |
3 |
805 |
1,270 |
1,100 |
1,700 |
18.8 |
23228W33C3 |
150 |
270 |
96 |
3 |
935 |
1,460 |
1,000 |
1,600 |
24.1 |
23230 |
150 |
270 |
96 |
3 |
935 |
1,460 |
1,000 |
1,600 |
23.4 |
23230KW33C3 |
150 |
270 |
96 |
3 |
935 |
1,460 |
1,000 |
1,600 |
24.1 |
23230W33C3 |
160 |
290 |
104 |
3 |
1,050 |
1,660 |
960 |
1,500 |
30 |
23232 |
160 |
290 |
104 |
3 |
1,050 |
1,660 |
960 |
1,500 |
29.1 |
23232K |
160 |
290 |
104 |
3 |
1,050 |
1,660 |
960 |
1,500 |
29.1 |
23232KW33C3 |
160 |
290 |
104 |
3 |
1,050 |
1,660 |
960 |
1,500 |
30 |
23232W33C3 |
170 |
310 |
110 |
4 |
1,180 |
1,960 |
910 |
1,400 |
36.8 |
23234 |
170 |
310 |
110 |
4 |
1,180 |
1,960 |
910 |
1,400 |
35.7 |
23234K |
170 |
310 |
110 |
4 |
1,180 |
1,960 |
910 |
1,400 |
35.7 |
23234KW33C3 |
170 |
310 |
110 |
4 |
1,180 |
1,960 |
910 |
1,400 |
36.8 |
23234W33C3 |
180 |
320 |
112 |
4 |
1,230 |
2,000 |
850 |
1,300 |
39 |
23236 |
180 |
320 |
112 |
4 |
1,230 |
2,000 |
850 |
1,300 |
37.8 |
23236K |
180 |
320 |
112 |
4 |
1,230 |
2,000 |
850 |
1,300 |
37.8 |
23236KW33C3 |
180 |
320 |
112 |
4 |
1,230 |
2,000 |
850 |
1,300 |
39 |
23236W33C3 |
190 |
340 |
120 |
4 |
1,400 |
2,330 |
790 |
1,200 |
47.6 |
23238 |
190 |
340 |
120 |
4 |
1,400 |
2,330 |
790 |
1,200 |
46.2 |
23238K |
190 |
340 |
120 |
4 |
1,400 |
2,330 |
790 |
1,200 |
46.2 |
23238KW33C3 |
190 |
340 |
120 |
4 |
1,400 |
2,330 |
790 |
1,200 |
47.6 |
23238W33C3 |
200 |
360 |
128 |
4 |
1,610 |
2,640 |
750 |
1,200 |
57.2 |
23240 |
200 |
360 |
128 |
4 |
1,610 |
2,640 |
750 |
1,200 |
55.5 |
23240K |
200 |
360 |
128 |
4 |
1,610 |
2,640 |
750 |
1,200 |
55.5 |
23240KW33C3 |
200 |
360 |
128 |
4 |
1,610 |
2,640 |
750 |
1,200 |
57.2 |
23240W33C3 |
220 |
400 |
144 |
4 |
2,010 |
3,350 |
670 |
1,000 |
80 |
23244 |
220 |
400 |
144 |
4 |
2,010 |
3,350 |
670 |
1,000 |
77.6 |
23244K |
220 |
400 |
144 |
4 |
2,010 |
3,350 |
670 |
1,000 |
77.6 |
23244KW33C3 |
220 |
400 |
144 |
4 |
2,010 |
3,350 |
670 |
1,000 |
80 |
23244W33C3 |
240 |
440 |
160 |
4 |
2,430 |
4,100 |
610 |
940 |
108 |
23248 |
240 |
440 |
160 |
4 |
2,430 |
4,100 |
610 |
940 |
105 |
23248K |
240 |
440 |
160 |
4 |
2,430 |
4,100 |
610 |
940 |
105 |
23248KW33C3 |
240 |
440 |
160 |
4 |
2,430 |
4,100 |
610 |
940 |
108 |
23248W33C3 |
260 |
480 |
174 |
5 |
2,760 |
4,700 |
560 |
860 |
141 |
23252 |
260 |
480 |
174 |
5 |
2,760 |
4,700 |
560 |
860 |
137 |
23252K |
260 |
480 |
174 |
5 |
2,760 |
4,700 |
560 |
860 |
137 |
23252KW33C3 |
260 |
480 |
174 |
5 |
2,760 |
4,700 |
560 |
860 |
141 |
23252W33C3 |
280 |
500 |
176 |
5 |
2,930 |
5,150 |
510 |
790 |
150 |
23256 |
280 |
500 |
176 |
5 |
2,930 |
5,150 |
510 |
790 |
145 |
23256K |
280 |
500 |
176 |
5 |
2,930 |
5,150 |
510 |
790 |
145 |
23256KW33C3 |
280 |
500 |
176 |
5 |
2,930 |
5,150 |
510 |
790 |
150 |
23256W33C3 |
300 |
540 |
192 |
5 |
3,450 |
6,000 |
470 |
730 |
193 |
23260 |
300 |
540 |
192 |
5 |
3,450 |
6,000 |
470 |
730 |
187 |
23260K |
300 |
540 |
192 |
5 |
3,450 |
6,000 |
470 |
730 |
187 |
23260KW33C3 |
300 |
540 |
192 |
5 |
3,450 |
6,000 |
470 |
730 |
193 |
23260W33C3 |
320 |
580 |
208 |
|
|
|
|
|
240 |
23264 CC/W3 |
320 |
580 |
208 |
|
|
|
|
|
235 |
23264 CCK/W33 |
340 |
620 |
224 |
|
|
|
|
|
295 |
23268 CA/W33 |
340 |
620 |
224 |
|
|
|
|
|
285 |
23268 CAK/W33 |
360 |
650 |
232 |
|
|
|
|
|
325 |
23272 CAK/W33 |
360 |
650 |
232 |
|
|
|
|
|
335 |
23272 CA/W33 |
380 |
680 |
240 |
|
|
|
|
|
375 |
23276 CA/W33 |
380 |
680 |
240 |
|
|
|
|
|
365 |
23276 CAK/W33 |
400 |
720 |
256 |
|
|
|
|
|
450 |
23280 CA/W33 |
400 |
720 |
256 |
|
|
|
|
|
435 |
23280 CAK/W33 |
420 |
760 |
272 |
|
|
|
|
|
520 |
23284 CAK/W33 |
420 |
760 |
272 |
|
|
|
|
|
535 |
23284 CA/W33 |
440 |
790 |
280 |
|
|
|
|
|
590 |
23288 CA/W33 |
440 |
790 |
280 |
|
|
|
|
|
570 |
23288 CAK/W33 |
460 |
830 |
296 |
|
|
|
|
|
675 |
23292 CAK/W33 |
460 |
830 |
296 |
|
|
|
|
|
695 |
23292 CA/W33 |
480 |
870 |
310 |
|
|
|
|
|
775 |
23296 CAK/W33 |
480 |
870 |
310 |
|
|
|
|
|
800 |
23296 CA/W33 |
500 |
920 |
336 |
|
|
|
|
|
955 |
232/500 CAK/W33 |
500 |
920 |
336 |
|
|
|
|
|
985 |
232/500 CA/W33 |
530 |
980 |
355 |
|
|
|
|
|
1200 |
232/530 CA/W33 |
530 |
980 |
355 |
|
|
|
|
|
1165 |
232/530 CAK/W33 |
560 |
1030 |
365 |
|
|
|
|
|
1310 |
232/560 CAK/W33 |
560 |
1030 |
365 |
|
|
|
|
|
1350 |
232/560 CA/W33 |
600 |
1090 |
388 |
|
|
|
|
|
1555 |
232/600 CAK/W33 |
600 |
1090 |
388 |
|
|
|
|
|
1600 |
232/600 CA/W33 |
670 |
1220 |
438 |
|
|
|
|
|
2270 |
232/670 CA/W33 |
670 |
1220 |
438 |
|
|
|
|
|
2205 |
232/670 CAK/W33 |
710 |
1280 |
450 |
|
|
|
|
|
2610 |
232/710 CA/W33 |
710 |
1280 |
450 |
|
|
|
|
|
2535 |
232/710 CAK/W33 |
750 |
1360 |
475 |
|
|
|
|
|
3050 |
232/750 CA/W33 |
750 |
1360 |
475 |
|
|
|
|
|
2960 |
232/750 CAK/W33 |
|