Ball and Roller Bearings - Ntn-snr.com

Self-Aligning Ball Bearings
B
r
ra
r
ra
D
d
d
Da
da
Cylindrical bore
Tapered bore
taper 1:12
d 4075mm
Boundary dimensions Basic load ratings Limiting speeds Bearing numbers Abutment and
dynamic static dynamic static fillet dimensions
mm kN kgf rpm mm
d D B r s min
1
cylindrical tapered 2 d a D a r as
C r C or C r C or grease oil bore bore min max max
40
45
50
55
60
65
70
75
80 18 1.1 19.3 6.55 1,970 665 7,100 8,400 1208 1208K 46.5 73.5 1
80 23 1.1 22.3 7.35 2,270 750 6,700 7,900 2208 2208K 46.5 73.5 1
90 23 1.5 29.6 9.70 3,000 990 6,000 7,000 1308 1308K 48 82 1.5
90 33 1.5 45.0 13.5 4,600 1,380 5,600 6,600 2308 2308K 48 82 1.5
85 19 1.1 21.9 7.35 2,230 750 6,400 7,500 1209 1209K 51.5 78.5 1
85 23 1.1 23.2 8.15 2,360 830 6,000 7,100 2209 2209K 51.5 78.5 1
100 25 1.5 38.0 12.7 3,900 1,300 5,400 6,300 1309 1309K 53 92 1.5
100 36 1.5 54.0 16.7 5,500 1,700 5,000 5,900 2309 2309K 53 92 1.5
90 20 1.1 22.7 8.10 2,320 830 5,800 6,800 1210 1210K 56.5 83.5 1
90 23 1.1 23.2 8.45 2,370 865 5,500 6,400 2210 2210K 56.5 83.5 1
110 27 2 43.5 14.1 4,400 1,440 4,900 5,800 1310 1310K 59 101 2
110 40 2 64.5 20.2 6,550 2,060 4,600 5,400 2310 2310K 59 101 2
100 21 1.5 26.8 10.0 2,730 1,020 5,300 6,200 1211 1211K 63 92 1.5
100 25 1.5 26.5 9.90 2,700 1,010 5,000 5,800 2211 2211K 63 92 1.5
120 29 2 51.5 17.9 5,250 1,820 4,500 5,200 1311 1311K 64 111 2
120 43 2 75.5 24.0 7,700 2,450 4,200 4,900 2311 2311K 64 111 2
110 22 1.5 30.0 11.5 3,100 1,180 4,900 5,800 1212 1212K 68 102 1.5
110 28 1.5 34.0 12.6 3,450 1,290 4,600 5,400 2212 2212K 68 102 1.5
130 31 2.1 57.0 20.8 5,850 2,130 4,100 4,800 1312 1312K 71 119 2
130 46 2.1 87.0 28.2 8,850 2,880 3,800 4,500 2312 2312K 71 119 2
120 23 1.5 31.0 12.5 3,150 1,280 4,500 5,300 1213 1213K 73 112 1.5
120 31 1.5 43.5 16.4 4,450 1,670 4,200 5,000 2213 2213K 73 112 1.5
140 33 2.1 62.0 22.9 6,350 2,330 3,800 4,500 1313 1313K 76 129 2
140 48 2.1 96.0 32.5 9,800 3,300 3,600 4,200 2313 2313K 76 129 2
125 24 1.5 34.5 13.8 3,550 1,410 4,200 4,900 1214 78 117 1.5
125 31 1.5 44.0 17.1 4,500 1,740 3,900 4,600 2214 78 117 1.5
150 35 2.1 74.5 27.7 7,600 2,830 3,500 4,200 1314 81 139 2
150 51 2.1 109 37.5 11,100 3,850 3,300 3,900 2314 81 139 2
130 25 1.5 39.0 15.7 3,950 1,600 3,900 4,600 1215 1215K 83 122 1.5
130 31 1.5 44.5 17.8 4,500 1,820 3,700 4,300 2215 2215K 83 122 1.5
160 37 2.1 79.5 30.0 8,100 3,050 3,300 3,900 1315 1315K 86 149 2
160 55 2.1 123 43.0 12,500 4,350 3,100 3,600 2315 2315K 86 149 2
1 Smallest allowable dimension for chamfer dimension r. 2 "K" indicates bearings have tapered bore with a taper ratio of 1: 12.
B-80