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| SBI Track roller bearings can be divided into Yoke type track rollers and Stud type track rollers. In order to be adapted to different working conditions, SBI Track roller bearings can also be with axial guidance or without axial guidance, with seals or without seals.
We supply SBI series track rollers, the application features are as follows:
1.RSTO & STO: Yoke type Track roller bearings with outer ring, inner ring, needle rollers & cage assembly. These types can be used in high speed rotating conditions.
2.NATR: Yoke type track rollers with axial guidance by washers, gap seals, with inner ring. This type can be used to carry heavy loads in medium speed rotating conditions.
3.NATV: Yoke type track rollers with full complement needle rollers in structure. This type can be used to carry relatively heavier loads in low speed rotating conditions.
4.NUTR: Yoke type track rollers with full complement cylindrical rollers in structure. This type can be used to carry extra heavy loads. It can also carry some heavy shock loads from axial direction in high speed rotating conditions.
5.KR: Stud type track rollers with needle rollers & cage assembly. This type can be used to carry heavy loads in medium speed rotating conditions.
6.KRV: Stud type track rollers with full complement needle rollers in structure. This type can be used to carry relatively heavier loads in low speed rotating conditions.
7.NUKR: Stud type track rollers with full complement cylindrical rollers in structure. This type can be used to carry extra heavy loads. It can also carry some heavy shock loads from axial direction.
SBI can also develop and manufacture Track roller bearings in other structure according to customers’ request. We also can supply Track roller bearings with contact seals (the bearing type code with suffix “-2RS”). For those with suffix “X”, it means the outer surface of the bearings is cylindrical.
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| Dimension(mm) |
Load ratings (KN) |
Limit speed (r/min) |
Weigh (kg) |
Moment of torque (N.M) |
Designation |
| D |
d |
C |
B1 |
G |
Cr |
Cor |
SBI |
INA NTN |
| 16 |
6 |
11 |
16 |
M6X1 |
3.8 6.4 |
3.75 8.5 |
22000 8500 |
0.02 |
3 |
KR16 (SBI-096)** KRV16 |
KR16 KRV16 |
| 19 |
8 |
11 |
20 |
M8X1.25 |
4.25 7.3 |
4.6 10.8 |
20000 7000 |
0.0312 |
8 |
KR 19
KRV 19 |
KR 19
KRV 19 |
| 22 |
10 |
12 |
23 |
M10X1.25 |
5.7 8.6 |
6.5 12.9 |
16000 6000 |
0.0483 |
15 |
KR 22
KRV 22 |
KR 22
KRV 22 |
| 26 |
10 |
12 |
23 |
M10X1.25 |
5.7 8.6 |
6.5 12.9 |
16000 6000 |
0.0623 |
15 |
KR 26
KRV 26 |
KR 26
KRV 26 |
| 30 |
12 |
14 |
25 |
M12X1.5 |
8.1 12.2 |
9.7 19 |
11000 4500 |
0.0925 |
22 |
KR 30
KRV 30 |
KR 30
KRV 30 |
| 32 |
12 |
14 |
25 |
M12X1.5 |
8.1 12.2 |
9.7 19 |
11000 4500 |
0.1035 |
22 |
KR 32
KRV 32 |
KR 32
KRV 32 |
| 35 |
16 |
18 |
32.5 |
M16X1.5 |
12.9 18.3 |
19
35 |
7000 3400 |
0.1815 |
58 |
KR 35
KRV 35 |
KR 35
KRV 35 |
| 40 |
18 |
20 |
36.5 |
M18X1.5 |
14.2 21 |
20.4 35.5 |
6000 2900 |
0.2628 |
87 |
KR 40
KRV 40 |
KR 40
KRV 40 |
| 47 |
20 |
24 |
40.5 |
M20X1.5 |
19.5 28 |
32
59 |
4900 2600 |
0.4055 |
120 |
KR 47
KRV 47 |
KR 47
KRV 47 |
| 52 |
20 |
24 |
40.5 |
M20X1.5 |
19.5 28 |
32
59 |
4900 2600 |
0.4805 |
120 |
KR 52
KRV 52 |
KR 52
KRV 52 |
| 62 |
24 |
29 |
49.5 |
M24X1.5 |
30.5 41.5 |
53
91 |
3800 2200 |
0.8182 |
220 |
KR 62
KRV 62 |
KR 62
KRV 62 |
| 72 |
24 |
29 |
49.5 |
M24X1.5 |
30.5 41.5 |
53
91 |
3800 2200 |
1.0682 |
220 |
KR 72
KRV 72 |
KR 72
KRV 72 |
| 80 |
30 |
35 |
63 |
M30X1.5 |
45 60 |
85 142 |
2600 1700 |
1.61 |
450 |
KR 80
KRV 80 |
KR 80
KRV 80 |
| 85 |
30 |
35 |
63 |
M30X1.5 |
45 60 |
85 142 |
2600 1700 |
1.8 |
450 |
KR 85
KRV 85 |
KR 85
KRV 85 |
| 90 |
30 |
35 |
63 |
M30X1.5 |
45 60 |
85 142 |
2600 1700 |
2.01 |
450 |
KR 90
KRV 90 |
KR 90
KRV 90 |
*If using oil as lubricant,the limiting speed can be increased 30%.
**B1=21 | |
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