这类轴承具有两组滚道和滚子按直角安装在一起,相邻滚子朝相反方向。轴承的横截面高度与单列轴承相似,因此节省了空间和轴承座的材料,大锥角和锥形几何设计是轴承总体有效跨距是轴承自身宽度的几倍。此系列轴承同时拥有高精度、刚度和较高的抗倾覆力矩的能力。可用为立式镗床和磨床等机床的转台轴承
特点
1.在单列空间内提供了双列轴承的性能优势。
2.具有较高的抗倾覆力矩的能力。
3.结合了单列轴承的紧凑性和双列轴承的稳定性

型号 |
主要尺寸 |
互换型号 |
d |
D |
B |
r |
SKF |
NACHI |
URB |
PSL |
mm |
mm |
mm |
min |
非标定制轴承 |
150 |
230 |
30 |
1 |
BFKB353243/HA4 |
|
|
|
定制轴承 |
160 |
240 |
30 |
1.1 |
BFKB353240/HA4 |
|
|
|
非标轴承 |
200 |
280 |
30 |
1.5 |
|
200XRN28 |
|
|
XR496051 |
203.2 |
279 |
31.75 |
1.5 |
616093A |
|
|
|
XR496052 |
203.2 |
279 |
31.75 |
1.5 |
|
|
|
|
非标轴承 |
240 |
300 |
30 |
1 |
BFKB353203/HA4 |
|
|
|
定制轴承 |
250 |
310 |
25 |
1 |
BFKB353212/HA4 |
|
|
|
非标轴承 |
250 |
350 |
40 |
1.3 |
BFKB353215/HA4 |
250XRN35 |
|
|
JXR637050 |
300 |
400 |
36.492 |
1.5 |
|
|
|
|
XR637050 |
300 |
400 |
37 |
1.5 |
616094A |
300XRN50 |
|
|
JXR678054 |
300 |
480 |
60 |
1.5 |
|
|
|
|
JXR652050 |
310 |
425 |
45 |
2.5 |
BFKB634097 |
|
|
|
XR678052 |
330 |
457 |
63.5 |
3.3 |
615661A |
300XRN50 |
|
PSL912-309A |
|
350 |
470 |
50 |
3.3 |
BFKB353216/HA4 |
350XRN47 |
|
|
JXR699050 |
370 |
495 |
50 |
3.3 |
|
|
|
|
|
400 |
480 |
40 |
1.1 |
BFKB353224/HA4 |
|
|
|
|
400 |
550 |
60 |
2.5 |
BFKB353219/HA4 |
400XRN55 |
|
|
XR736052 |
432.03 |
571.5 |
38.1 |
3.3 |
|
|
|
|
XR766051 |
457.2 |
609.6 |
63.5 |
3.3 |
615894A |
0457XRN060 |
XD.10.0457P5 |
PSL912-308A |
XR766052 |
424.95 |
614.924 |
65 |
3.3 |
|
|
|
|
XR820060 |
580 |
760 |
80 |
3.3 |
615662A |
580XRN76 |
XD.10.0580P5 |
PSL912-304A |
XR820061 |
580 |
760 |
80 |
6.4 |
|
|
|
|
XR836050 |
600 |
830 |
80 |
6.4 |
|
600XRN83 |
|
|
XRA844050 |
685.8 |
914.4 |
79.375 |
6.4 |
|
|
|
|
XR855053 |
685.8 |
914.4 |
79.375 |
3.3 |
615659A |
0685XRN091 |
XD.10.0686P5 |
PSL912-305A |
XR855056 |
685.8 |
914.4 |
79.375 |
3.3 |
|
|
|
|
XR882054 |
901.7 |
1117.6 |
82.555 |
3.3 |
|
|
|
|
XR882055 |
901.7 |
1117.6 |
82.555 |
3.3 |
615895A |
0901XRN112 |
XD.10.0902P5 |
PSL912-306A |
XR882058 |
939.8 |
1117.6 |
82.55 |
3.3 |
|
|
|
|
|
950 |
1170 |
85 |
3 |
BFKB353251/HA4 |
|
|
|
XR889058 |
1028.7 |
1327.15 |
114.3 |
3.3 |
BFKB353282/HA4 |
1028XRN132 |
XD.10.1029P5 |
PSL 912-307A |
XR889059 |
1028.7 |
1327.15 |
95.25 |
3.3 |
|
|
|
|
XR889060 |
1028.7 |
1327.15 |
114.3 |
3.3 |
|
|
|
|
|
1270 |
1524 |
95.25 |
1.8 |
615897A |
|
|
|
XR897051 |
1549.4 |
1828.8 |
101.6 |
3.3 |
615898A |
|
XD.10.1549P5 |
|
XR903054 |
1879.6 |
2197.1 |
101.6 |
5.4 |
615899A |
|
|
|
|
2463.8 |
2819.4 |
114.3 |
5.4 |
634078A |
|
|
|