What is a light duty bearing?
Pillow block or flange mounted light duty bearings safely enable the outer ring of the bearing to be stationary while allowing rotation of the inner ring. Housed bearings are bolted to a foundation through the holes in the base. On some styles, seals are provided to prevent dust and other contaminants from entering the housing. The housing provides a clean environment for the bearing to freely rotate, increasing their performance and duty cycle.
What is a pillow block bearing?
Pillow Block Bearings are bearing units that are contained inside a housing unit. The housing provides a rigid and secure positioning while allowing the bearing unit to rotate within a clean contained environment. The housing is bolted to a foundation allowing the outer ring of the bearing to remain stationary while the inner ring rotates. Housed bearings are generally used in light duty applications.
For more information check out the following: Pillow Block Bearing Infographic.
What is the operating temperature range for shaft collars & rigid couplings?
Climax shaft collars and couplings can be used in applications over a wide range of operating temperatures. The table below lists these ambient operating temperature ranges for our shaft collars and rigid couplings based on material.
| MATERIAL | AMBIENT OPERATING MIN (°F) | AMBIENT OPERATING MAX (°F) |
| STEEL – High Strength, Low Carbon Steel | -40 | 350 |
| STAINLESS STEEL – Type 303 / Type 316 | -40 | 350 |
| ALUMINUM – Type 6061 – T651 or equivalent | -40 | 225 |
| ACETAL – Delrin | -10 | 185 |
Note that the numbers listed in the table are ambient temperatures and are not applicable when the part is directly exposed to a heat source. These values are ‘typical’ operating temperature ranges and are not a guarantee under all conditions. They are meant to be a guide and must be evaluated by the customer based on individual application. For applications where the shaft collar and/or rigid coupling would be subjected to temperatures outside the ambient operating temperature range presented above, please contact a Climax applications engineer.
What is a flange mount bearing?
Flange Mount Bearings are bearing units contained inside a housing unit. The housing provides a rigid and secure position while allowing the bearing unit to rotate within a clean, contained environment. The housing is bolted to a foundation allowing the outer ring of the bearing to remain stationary while the inner ring rotates. Housed bearings are most commonly used in light duty applications.
For more information check out the following: Flange Mount Bearings Infographic.
What type of screws are use in shaft collars and rigid couplings?
Climax steel and aluminum shaft collars and rigid couplings are manufactured using with steel screws. Stainless steel shaft collars and rigid couplings, as well as all non-metallic shaft collars are manufactured using stainless steel screws. The type of screws we manufacture with are as follows: (more…)
What is the proper technique for opening the bore on a re-machinable coupling?

When opening the R2CC-Series bore:
1. Start by inserting a shim in the saw cuts on both sides of the coupling as illustrated . Shim thickness is provided in the chart below.
| PILOT BORE (in) | MAX BORE (in) | OD (in) | PART LENGTH (in) | SHIM THICKNESS (in) |
| 1/4 | 3/4 | 1-3/4 | 2-5/8 | 0.093 |
| 1/2 | 1 | 2 | 3 | 0.093 |
| 3/4 | 1-1/2 | 2-1/2 | 3-3/4 | 0.093 |
| 1 | 2 | 3-1/4 | 4-7/8 | 0.093 |
2. Tighten the clamp screws so that the coupling clamps down on the shims.
3. The coupling bore is then machined with the installation screws tightened and the shims on both sides holding the two halves of the coupling apart.
For a printable version of these instructions, please click here: R2CC Proper Re-machining Instructions.
What is a sleeve bearing?

What is the significance of a keyway?

At its most basic explanation, the key fits into the keyseat and the keyway and is used to transfer torque from the shaft to the mounted component. Climax offers shaft collars and rigid couplings in both set screw and clamping designs that will fit a variety shaft sizes. Cataloged collars and couplings are provided with parallel keyways.
What different housing materials does Climax offer?
From stock Climax housed bearings are available in lightweight non-corrosive zinc die cast, pressed steel with a rust-proof finish, stainless steel, and self-lubricating UHMW-PE which is USDA and FDA approved.
What types of bearing inserts are available?
Climax offers 3 different types of bearing inserts: ball bearings, bronze sleeve bearings, and UHMW-PE Bearings.
Ball Bearings include two set screws used to secure the unit to the shaft for added load support. Ball bearing units are encased in a nonconductive, oil resistant rubber liner in steel housing units
Bronze Sleeve Bearings are porous flanged bronze bearing inserts which are press-fit in a zinc die cast sphere with a felt strip for lubrication in steel housing. In zinc die cast housings, (more…)
