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NTN ARFLU-1.1/2 is an Ultra-Class two-bolt rhombus flanged unit with a 1-1/2 inch bore. Features a set screw locking mechanism and a cast iron housing. Designed for industrial applications requiring reliable shaft support in limited-space mounting configurations.
MODEL ARFLU-1.1/2
$106.23 Each
Prices are subject to change
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Returnable:No
A (in)
1.5313
A0
2.0938 in
A1
0.6563 in
A2
0.9375 in
B (in)
1.5748
Bearing Number
A-AR208-108D1
Bearing number
A-AR208-108D1
Bearing Type
Ball Bearing
d (in)
1 1/2
Dynamic Load Rating
6550 lbf
Dynamic load rating
6550 lbf
End Type
Open
End type
Open
F (in)
0.1772
Finish/Coating
Black oxide
H (in)
6.7813
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FLU208D1V50
I.D.
1.5 in
J (in)
5.6563
L (in)
4.1250
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
3700 RPM
Max Tightening Torque
43 lb·in
N (in)
0.5156
O.D.
3.1496 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
0.4331 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
4000 lbf
Static load rating
4000 lbf
Type
2-Bolt Rhombus Flanged Unit
Width
1.5748 in
Technical Specifications
Type | 2-Bolt Rhombus Flanged Unit |
Bearing Type | Ball Bearing |
Locking Device | Set Screw |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Bearing Number | A-AR208-108D1 |
Housing Number | FLU208D1V50 |
Housing Material | Cast Iron |
Housing Construction | 1 Piece |
End Type | Open |
Finish/Coating | Black Oxide |
Performance | Light Duty |
Dynamic Load Rating | 6550 lbf29100 N29.10 kN |
Static Load Rating | 4000 lbf17800 N17.80 kN |
Max Tightening Torque | 43 lb·in |
Rotational Speed [Max] | 3700 RPM |
Weight | 1.389 lb0.630 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.5 in38.100 mm |
H | 6.7813 in172.2 mm |
L | 4.1250 in104.8 mm |
J | 5.6563 in143.7 mm |
A | 1.5313 in38.9 mm |
A0 | 2.0938 in53.200 mm |
A1 | 0.6563 in16.7 mm |
A2 | 0.9375 in23.8 mm |
N | 0.5156 in13.1 mm |
B | 1.5748 in40.000 mm |
S | 0.4331 in11.000 mm |
F | 0.1772 in4.500 mm |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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