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NTN ARP-1 Ultra-Class pillow block unit with set screw lock, 1 inch bore, and cast iron housing. Designed for general industrial conveyor and machinery applications requiring reliable shaft support.
MODEL ARP-1
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$65.08 Each
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Select Quantity
Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
A (in)
1.5000
B (in)
1.0630
Bearing Number
A-AR205-100D1
Bearing number
A-AR205-100D1
Bearing Type
Ball Bearing
d (in)
1
Dynamic Load Rating
3150 lbf
Dynamic load rating
3150 lbf
End Type
Open
End type
Open
F (in)
0.1378
Finish/Coating
Black oxide
H (in)
1 7/16
H1
0.5938 in
H2
2.7813 in
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
P205D1V50
I.D.
1 in
J (in)
4-1/8
L (in)
5.5000
L1
1.6563 in
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
5900 RPM
Max Tightening Torque
34 lb·in
N (in)
0.4375
N1
0.8125 in
O.D.
2.0472 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
0.2953 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
1760 lbf
Static load rating
1760 lbf
Type
Pillow Block Unit
Width
1.063 in
Technical Specifications
Type | Pillow Block Unit |
Bearing Type | Ball Bearing |
Locking Device | Set Screw |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Bearing Number | A-AR205-100D1 |
Housing Number | P205D1V50 |
Housing Material | Cast Iron |
Housing Construction | 1 Piece |
End Type | Open |
Finish/Coating | Black Oxide |
Performance | Light Duty |
Dynamic Load Rating | 3150 lbf14000 N14.00 kN |
Static Load Rating | 1760 lbf7850 N7.85 kN |
Max Tightening Torque | 34 lb·in |
Rotational Speed [Max] | 5900 RPM |
Weight | 2.006 lb0.910 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1 in25.400 mm |
J | 4.125 in104.8 mm |
L | 5.5000 in139.7 mm |
A | 1.5000 in38.1 mm |
H | 1.4375 in36.5 mm |
H1 | 0.5938 in15.1 mm |
H2 | 2.7813 in70.6 mm |
N | 0.4375 in11.1 mm |
N1 | 0.8125 in20.6 mm |
L1 | 1.6563 in42.1 mm |
B | 1.0630 in27.000 mm |
S | 0.2953 in7.500 mm |
F | 0.1378 in3.500 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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