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ARFU-1.15/16

Image for Illustration purposes only. Actual product may vary

NTN ARFU-1.15/16 is an Ultra-Class 4-bolt square flanged unit with a 1-15/16 inch bore and set screw locking mechanism. The cast iron housing provides durability for industrial applications such as conveyors, fans, and material handling equipment.

MODEL ARFU-1.15/16

BRAND

SKU

276915

WEIGHT

2.220 lb

UOM

each

$132.63 Each

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Returnable:No

A (in)

1.8125

A0

2.3594 in

A1

0.7813 in

A2

1.1094 in

B (in)

1.6929

Bearing Number

A-AR210-115D1

Bearing number

A-AR210-115D1

Bearing Type

Ball Bearing

d (in)

1 15/16

Dynamic Load Rating

7900 lbf

Dynamic load rating

7900 lbf

End Type

Open

End type

Open

F (in)

0.1693

Finish/Coating

Black oxide

Housing Construction

1 Piece

Housing construction

1 Piece

Housing Material

Cast Iron

Housing material

Cast iron

Housing Number

FU210D1V50

I.D.

1.9375 in

J (in)

4.3750

L (in)

5.6563

Locking Device

Set Screw

Locking device

Set screw

Lubrication

Relubricatable

Max Tightening Torque

69 lb·in

N (in)

0.6719

O.D.

3.5433 in

Operating Temperature Range

-40 to 250 °F

Operating temperature range

-40 to 250 ºF

Performance

Light Duty

S

0.4330 in

Seal Material

Nitrile Rubber

Seal material

Nitrile rubber

Seal Type

Contact

Seal type

Contact

Static Load Rating

5200 lbf

Static load rating

5200 lbf

Type

4-Bolt Square Flanged Unit

Width

1.6929 in

Technical Specifications
Type 4-Bolt Square Flanged Unit
Bearing Type Ball Bearing
Locking Device Set Screw
Seal Type Contact
Seal Material Nitrile Rubber
Bearing Number A-AR210-115D1
Housing Number FU210D1V50
Housing Material Cast Iron
Housing Construction 1 Piece
End Type Open
Finish/Coating Black Oxide
Performance Light Duty
Dynamic Load Rating 7900 lbf35100 N35.10 kN
Static Load Rating 5200 lbf23100 N23.10 kN
Max Tightening Torque 69 lb·in
Operating Temperature Range -40 to 250 F-40 to 120 C
Dimensional Specifications


Ultra-Class Four Bolt Flanged Unit with Set Screw, ARFU Type - Dimensions

d 1.9375 in49.213 mm
L 5.6563 in143.7 mm
J 4.3750 in111.1 mm
A 1.8125 in46.0 mm
A0 2.3594 in59.900 mm
A1 0.7813 in19.8 mm
A2 1.1094 in28.2 mm
N 0.6719 in17.1 mm
B 1.6929 in43.000 mm
S 0.4330 in10.998 mm
F 0.1693 in4.300 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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