Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
1 in stock
Four-bolt square flange unit, cast iron to BS1452, 1-3/8 in bore. Spherical self-aligning insert, nitrile seals, C3 clearance, setscrew locking.
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$72.47

1 in stock
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| MFR / Brand | RHP |
|---|---|
| MPN | MSF1-3/8 |
| Model | MSF 1 3/8 |
| ID | 1-3/8 in |
| Type | Flanged Mount Bearing |
|---|---|
| Base Number | MSF |
| Industry Terms | Self-Lube bearing, four bolt flange bearing, square flange unit, housed bearing unit, flange block, mounted ball bearing |
| Common Misspellings | MSF1-3-8, MFS1-3/8, MSF13/8, RPH, R.H.P. |
| Application Types | Conveyor shafts, fans and blowers, agricultural machinery, food and packaging plant, fabricated steelwork mountings |
| Bore Shaft Size | 1-3/8 in (34.93 mm) |
| Housing Style | Four-bolt square flange, cast iron to BS1452; 4 bolts; casting group MSF-22 |
| Locking Method | Set screw (grub screw) |
| Mpn Variants | MSF 1-3/8, MSF 1 3/8, MSF-1-3/8, MSF1.3/8, MSF-22, MSF 22 |
| Series | MSF, RHP Self-Lube Four-Bolt Square Flange |
| Rolling Elements | Balls |
| Bearing Type | Mounted ball bearing flange unit, spherical outer insert |
| Number Of Rows | 1 |
| Housing Material | Cast iron to BS1452 |
| Part Number | MSF1-3/8 |
RHP MSF1-3/8 Self-Lube four-bolt square flange bearing unit for a 1-3/8 in shaft. Cast iron housing to BS1452 with a spherical self-aligning insert, setscrew locking, nitrile / fabric seals and C3 internal clearance. Manufacturer: RHP, now part of NSK. Unit Quantity: 1 Pc, one complete flange unit with housing, insert bearing, seals and grub screws.
MSF — RHP’s Self-Lube four-bolt square flange cast iron unit.
1-3/8 — the bore in inches, 34.93 mm.
MSF-22 — the RHP casting group marking cast into the housing for this size.
Part Number: MSF1-3/8. Casting Group: MSF-22. Series: MSF, RHP Self-Lube four-bolt square flange. Bore / Shaft Size: 1-3/8 in (34.93 mm). Housing Style: four-bolt square flange, cast iron. Bolt Count: 4. Housing Material: cast iron to BS1452. Insert: spherical outer surface, self-aligning. Locking Method: setscrew (grub screw). Seal Type: nitrile / fabric. Internal Clearance: C3. Number Of Rows: 1. Rolling Elements: steel balls. Design Units: Inch. Country of Origin: United Kingdom.
The four holes sit at the corners of a square, so the unit bolts to a face perpendicular to the shaft with the shaft passing through the flange. The insert seats in a matching spherical bore in the housing and swivels to take up initial misalignment between the shaft and the mounting face. Two grub screws in the extended inner ring clamp the insert to a plain shaft. Nitrile / fabric seals at both faces hold the factory grease charge. The unit is a complete assembly and can be removed and refitted without breaking the housing.
Within the RHP Self-Lube range the same insert size appears in other housings: SFT is the two-bolt oval flange, SF is the standard square flange, and the pillow block styles bolt to a base parallel to the shaft. Search forms: MSF1-3/8, MSF 1-3/8, MSF 1 3/8, MSF1 3/8, MSF-1-3/8, MSF1.3/8, MSF-22, MSF 22.
1-3/8 in (34.93 mm).
Four, at the corners of a square.
With setscrews (grub screws) in the extended inner ring.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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