Link BeltFX3U223NTwo-Bolt Oval Flange Block Ball Bearing Unit, 1-7/16 in Bore, Cast Iron, Set Screw Locking, Non-Expansion, 5.1250 in Bolt Centres

Product Description

What this part is:

Link-Belt FX3U223N, a mounted ball bearing unit: a self-aligning wide-inner-ring insert bearing in a two-bolt oval cast iron flange housing, bored 1-7/16 in and locked to the shaft with set screws. Complete unit: cast iron housing, insert bearing, single lip seal, set screws and grease fitting. Unit Quantity: 1 Pc.

Decoding the designation:

F — flange housing.

X — two-bolt oval flange style.

3U — Link-Belt standard-duty mounted unit series with a set-screw locking wide inner ring insert.

223 — size code, 1-7/16 in bore in the 200 series envelope.

N — non-expansion; the unit locates the shaft axially.

Specifications:

Manufacturer: Link-Belt (Regal Rexnord). Part Number: FX3U223N. Base Number: FX3U223. Regal Rexnord Material Number: 10073990. Bearing Type: Mounted ball bearing unit, self-aligning wide inner ring insert. Housing Style: Two-bolt oval flange block. Mounting Arrangement: Flange mount. Number Of Bolt Holes: 2. Bore / Shaft Size: 1-7/16 in (1.4375 in). Bolt Center To Center: 5.1250 in. Housing Material: Cast iron. Insert Outer Ring: Spherical. Locking Method: Set screws in the extended inner ring. Closure Type: Single lip contact seal. Relubrication: Grease fitting. Lubricant: Grease. Expansion Type: Non-expansion. Rolling Elements: Ball. Number Of Rows: 1. Dynamic Radial Load Rating: 5,810 lbf. Static Radial Load Rating: 3,440 lbf. Maximum Speed: 4,800 rpm. Maximum Operating Temperature: 225 °F. Series: Link-Belt 200 series standard duty, FX3U flange. Design Units: Imperial. Item Weight: 3.20 lb. Country of Origin: United States. Unit Quantity: 1 Pc.

Dimensions and mounting:

Two-bolt oval flange housing that bolts to a vertical wall or bulkhead with the shaft passing through it. Bolt Center To Center: 5.1250 in. The insert’s spherical outside diameter swivels in the housing seat, so the unit self-aligns.

Compatibility and replacement:

Link-Belt mounted bearings are part of Regal Rexnord; the same unit appears as Rexnord Link-Belt FX3U223N and under material number 10073990. Comparable 1-7/16 in two-bolt flange blocks: Dodge F2B-SC-107, Browning VF2S-123, NTN UCFL207-107, SKF FYT 1.7/16 TF. Within Link-Belt, FX3S223 is the same bore in the two-bolt flange with a different locking and sealing arrangement, and F3U223N is the four-bolt square flange in the same size.

Frequently asked questions:

What housing style is the Link-Belt FX3U223N?

A two-bolt oval cast iron flange block, 5.1250 in bolt center to center.

How is it locked to the shaft?

With set screws in the extended inner ring.

Is it an expansion or non-expansion unit?

Non-expansion; the unit locates the shaft axially.