Original
By certification 
DETAILS:
Four row cylindrical roller bearings are the one of the main bearings for rolling mills. They are compact structures and high stiffness, and can carry high radial loads but not axial load. Because of inner rings with no rids, inner and outer ring subassembly ( with full set of rollers and cage) can be mounted respectively. Cleaning inspecting and dismounting are very convenient.
Four row cylindrical roller bearings are especially applied to rolling mills required high speed and precision, for example, wire mills, bar and shape mills, cold or hot sheet mills and cogging mills.
Brass solid cages or pin-type cages are mainly used in four row cylindrical roller bearings.
DRAWINGS:
SPECIFICATE:
Boundary dimensions |
Basic load ratings |
Designations |
Installation dimersion |
Mass |
|||||||||||
mm |
kN |
mm |
|||||||||||||
d |
D |
B |
Fw |
rmin |
r1min |
Cr |
Cor |
Current |
Original |
damin |
Damin |
Damax |
ramax |
rbmax |
kg |
90 |
140 |
70 |
105 |
1.5 |
1.1 |
222 |
454 |
FC |
6727 |
98 |
126 |
132 |
1 |
1 |
4.4 |
|
140 |
74 |
105 |
1.5 |
1.1 |
222 |
454 |
FC |
- |
98 |
126 |
132 |
1 |
1 |
4.5 |
100 |
140 |
70 |
111 |
1.5 |
1.1 |
194 |
416 |
FC |
6728 |
108 |
129 |
135 |
1 |
1 |
3.5 |
|
140 |
90 |
111 |
1.5 |
1.1 |
290 |
616 |
FC |
- |
108 |
129 |
135 |
1 |
1 |
4.3 |
|
140 |
104 |
111 |
1.5 |
1.1 |
335 |
730 |
FC |
672720 |
108 |
129 |
135 |
1 |
1 |
5.1 |
|
145 |
70 |
113 |
1.5 |
1.1 |
219 |
457 |
FC |
6727 |
108 |
133 |
137 |
1 |
1 |
4.1 |
|
150 |
106 |
113 |
1.5 |
1.1 |
347 |
736 |
FC |
- |
|
|
|
|
|
6.8 |
110 |
150 |
80 |
122 |
1.5 |
1.1 |
241 |
602 |
FC |
- |
|
|
|
|
|
4.4 |
|
170 |
90 |
127 |
2 |
2 |
358 |
754 |
FC |
- |
121 |
155 |
159 |
2 |
2 |
7.9 |
|
170 |
120 |
127 |
2 |
2 |
605 |
1060 |
FC |
6727 |
121 |
155 |
159 |
2 |
2 |
10.6 |
|
210 |
170 |
136.5 |
2 |
2 |
923 |
1610 |
FC |
- |
|
|
|
|
|
27.3 |
120 |
180 |
92 |
137 |
2 |
2 |
375 |
820 |
FC |
- |
128 |
165 |
169 |
2 |
1 |
8.7 |
|
180 |
105 |
136 |
2 |
2 |
459 |
894 |
FC |
6727 |
128 |
165 |
169 |
2 |
1 |
9.8 |
|
180 |
120 |
136 |
2 |
2 |
477 |
1061 |
FC |
- |
128 |
165 |
169 |
2 |
1 |
11.2 |
130 |
200 |
104 |
149 |
2 |
2 |
478 |
1006 |
FC |
- |
141 |
183 |
189 |
2 |
2 |
12.5 |
|
200 |
125 |
149 |
2 |
2 |
738 |
1220 |
FC |
6727 |
141 |
183 |
189 |
2 |
2 |
15 |
140 |
210 |
100 |
158 |
2 |
2 |
503 |
1096 |
FC |
- |
151 |
192 |
199 |
1.5 |
1.5 |
12.8 |
|
210 |
106 |
158 |
2 |
2 |
503 |
1096 |
FC |
- |
151 |
192 |
199 |
1.5 |
1.5 |
13.6 |
|
210 |
125 |
158 |
2 |
2 |
718 |
1365 |
FC |
6727 |
151 |
192 |
199 |
1.5 |
1.5 |
15.8 |
Features：
Four row cylindrical roller bearings are the one of the main bearings for rolling mills. They are compact structures and high stiffness, and can carry high radial loads but not axial load. Because of inner rings with no rids, inner and outer ring subassembly ( with full set of rollers and cage) can be mounted respectively. Cleaning inspecting and dismounting are very convenient.
Brass solid cages or pin-type cages are mainly used in four row cylindrical roller bearings.
FAQ：
Q: Does your company accept small orders?
A: If your bearing is a standard size bearing, even 1pc, we also accept small quantities.
Q: I can't find a suitable design for my application in your catalog. Can you help me design the bearing?
A: Yes, professional technical knowledge can be provided to help you with the engineering design of customized products. Available options include but are not limited to custom rings, retainers, balls, shields, lubricants and packaging. We look forward to working with you to meet your rotary motion needs.
http://www.obtbearings.com/
