Four-row Cylindrical Roller Bearing FC202870
The FC202870 bearing is a Four-row Cylindrical Roller Bearings with an inner diameter of 100 mm , an outer diameter of 140 mm, a width of 70 mm. It typically uses P0,P6 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Four-row Cylindrical Roller Bearing FC202870
This bearing is widely used for roller in metallurgy industry.
1.Main feature
a.Bearing features maximum rated dynamic load in restricted space.
b.Bearing can be used for high rotating speed equipment.
c.Shaft is allowed to have high precision tolerance.
d.Inner ring is allowed to be changeable with outer assembly(consisting of outer ring and roller set)to speed up roller change.
e.Bearing can bear radial load only.
2 Bearing structure machining
Based on three basic type of structure, the following can be done:
FC.....A type:Outer diameter without oil tank oil hole, outer ring with oil tank.
FC.....B type:Outer diameter with oil tank oil hole, outer ring with oil tank.
FC.....E type:Outer diameter without oil tank oil hole, outer ring with oil tank,outer ring without guide rib,integral window cage.
FCD... A type:Outer diameter without oil tank oil hole, outer ring with oil tank.
FCD....B type:Outer diameter with oil tank oil hole, outer ring with oil tank.
FCD....Y type:Outer diameter without oil tank oil hole, outer ring with oil tank,pin cage(hollow roller)or window cage.
|
Bearing type |
Dimensions(mm) |
Rated Load(KN) |
Limiting Speed |
Weight(Kg) |
|||||||
|
New standards |
Old Standards |
d |
D |
B |
Fw |
rmin |
grease |
Oil |
|||
|
FC182870 |
|
90 |
140 |
70 |
105 |
1.5 |
222 |
3600 |
4400 |
4.20 |
|
|
FC2030106 |
672720 |
100 |
150 |
106 |
113 |
1.5 |
430 |
2720 |
3230 |
6.90 |
|
|
FC2028104 |
672820 |
100 |
140 |
104 |
111 |
1.5 |
430 |
2720 |
3230 |
5.20 |
|
|
FC202970 |
672820K |
100 |
145 |
70 |
113 |
1.5 |
430 |
2720 |
3230 |
4.10 |
|
|
FC2234120 |
672722 |
110 |
170 |
120 |
127 |
2 |
490 |
2600 |
3100 |
10.6 |
|
|
FC243692 |
672724 |
120 |
180 |
105 |
136 |
2 |
500 |
2600 |
3100 |
9.90 |
|
|
FC2436105 |
672824 |
120 |
180 |
92 |
136 |
2 |
500 |
2500 |
2930 |
8.70 |
|
|
FC2640125 |
672726 |
130 |
200 |
125 |
149 |
2 |
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