Cylindrical roller bearings are commonly separable and easy to mount and dismount. They can be divided into single row, double row and muti-row cylindrical roller bearings. The widely used bearings are cylindrical roller bearings with cage. There are single or double row bearings with a full complement of roller and other bearing arrangements. Cylindrical roller bearings have high radial load carrying capacity and are also suitable for high speeds.
Boundary dimensions(mm) |
Basic load ratings(kN) |
Limiting speeds(rpm) |
Mass(Kg) |
Bearing Number |
||||||
d |
D |
B |
rs min |
rs1 min |
Cr |
Cor |
Grease |
Oil |
(Approx.) |
XLB |
20 |
47 |
14 |
1 |
0.6 |
25.7 |
22.6 |
15,000 |
18,000 |
0.122 |
NJ204E |
25 |
52 |
15 |
1 |
0.6 |
29.3 |
27.7 |
13,000 |
15,000 |
0.151 |
NJ205E |
30 |
62 |
16 |
1 |
0.6 |
39.0 |
37.5 |
11,000 |
13,000 |
0.226 |
NJ206E |
35 |
72 |
17 |
1.1 |
0.6 |
50.5 |
50.0 |
9,500 |
11,000 |
0.327 |
NJ207E |
40 |
80 |
18 |
1.1 |
1.1 |
43.5 |
43.0 |
9,400 |
11,000 |
0.378 |
NJ208 |
40 |
80 |
18 |
1.1 |
1.1 |
55.5 |
55.5 |
8,500 |
10,000 |
0.426 |
NJ208E |
45 |
85 |
19 |
1.1 |
1.1 |
46.0 |
47.0 |
8,400 |
9,900 |
0.432 |
NJ209 |
45 |
85 |
19 |
1.1 |
1.1 |
63.0 |
66.5 |
7,600 |
9,000 |
0.495 |
NJ209E |
50 |
90 |
20 |
1.1 |
1.1 |
48.0 |
51.0 |
7,600 |
9,000 |
0.47 |
NJ210 |
50 |
90 |
20 |
1.1 |
1.1 |
66.0 |
72.0 |
6,900 |
8,100 |
0.54 |
NJ210E |
55 |
100 |
21 |
1.5 |
1.1 |
58.0 |
62.5 |
6,900 |
8,200 |
0.638 |
NJ211 |
55 |
100 |
21 |
1.5 |
1.1 |
82.5 |
93.0 |
6,300 |
7,400 |
0.718 |
NJ211E |
60 |
110 |
22 |
1.5 |
1.5 |
68.5 |
75.0 |
6,400 |
7,600 |
0.818 |
NJ212 |
60 |
110 |
22 |
1.5 |
1.5 |
97.5 |
107 |
5,800 |
6,800 |
0.923 |
NJ212E |
65 |
120 |
23 |
1.5 |
1.5 |
84.0 |
94.5 |
5,900 |
7,000 |
1.02 |
NJ213 |
65 |
120 |
23 |
1.5 |
1.5 |
108 |
119 |
5,400 |
6,300 |
1.21 |
NJ213E |
70 |
125 |
24 |
1.5 |
1.5 |
83.5 |
95.0 |
5,500 |
6,500 |
1.12 |
NJ214 |
70 |
125 |
24 |
1.5 |
1.5 |
119 |
137 |
5,000 |
5,900 |
1.3 |
NJ214E |
75 |
130 |
25 |
1.5 |
1.5 |
96.5 |
111 |
5,100 |
6,000 |
1.23 |
NJ215 |
75 |
130 |
25 |
1.5 |
1.5 |
130 |
156 |
4,700 |
5,500 |
1.41 |
NJ215E |