RHPMSF1-11/16Flange Unit – 1.6875 in (42.863 mm) Bore, 4-Bolt Square, Cast Iron, Heavy Duty, Spherical Insert, Set Screw Locking, Non-Expanding.

Product Description

What this part is:

RHP Self-Lube MSF1-11/16 flange bearing unit: a wide-inner-ring ball bearing insert carried in a one-piece cast iron four-bolt square flange housing. Bore Diameter: 1.6875 in (42.863 mm). Housing Material: Cast iron. Rolling Elements: Ball. Number Of Rows: 1. Bore Type: Straight. Duty Type: Heavy duty. Unit Quantity: 1 Pc.

Decoding the designation:

MSF — the heavier-duty cast iron flange series in the RHP Self-Lube range, covering 25 to 100 mm and 1 to 4 in shafts. The lighter SF series covers the same bores in a smaller casting.

1-11/16 — shaft diameter in inches, 1.6875 in (42.863 mm). This size shares casting group 5 and bearing insert group 1050 with the 45 mm and 1-3/4 in units.

Specifications:

Insert Outer Ring: Spherical. Dynamic Load Rating: 35,000 N. Static Load Rating: 23,200 N. Limiting Speed: 3,400 rpm grease. Item Weight: 2.8 kg (6.17 lb). Locking Method: Set screw, two knurled-cup point set screws in the extended inner ring. Seal Type: Single lip nitrile seal. Relubrication Feature: Yes, through the housing grease fitting. Lubricant: Grease. Operating temperature range on the standard mineral oil and lithium soap grease: −20 °C to +110 °C. Expansion Type: Non-expanding.

Dimensions and mounting:

Bolt Center To Center: 111.00 mm (4.3701 in), across the four-bolt square pattern. Number Of Bolt Holes For Fasteners: 4. Bolt hole diameter G: 16 mm. Flange length L: 142.9 mm. Flange height H: 115.9 mm. Insert width B: 51.60 mm. Housing width A1: 60.53 mm. The insert has a spherical outside diameter seated in a matching spherical housing bore, so the bearing swivels to take up initial misalignment between the shaft and the mounting face. The non-expanding unit locates the shaft axially.

Compatibility and replacement:

Cross-reference: SKF FY 1.11/16 TF, the nearest catalogued unit in the same four-bolt square inch series. Bolt centers, flange size and housing height differ between makers at the same bore; the matching dimension is the 111.00 mm bolt pattern.

Frequently asked questions:

What shaft size does the RHP MSF1-11/16 fit?

1-11/16 in shaft, a 1.6875 in (42.863 mm) bore.

What is the bolt pattern?

Four-bolt square flange, 111.00 mm (4.3701 in) bolt center to center, 16 mm bolt holes.

How is it locked to the shaft?

Two set screws in the extended inner ring.