Suma Precision Machinery

Cage Freewheels K are sprag freewheels to be installed between customer-supplied inner and outer rings from Suma bearing factory.

Complete backstop freewheels FRHM with torque arm are sealed sprag freewheels with ball bearings from Suma bearing wholesaler. They are designed for interchanging the Morse® CB units, supplied oil-filled and ready for installation

Types AL..F2D2/F4D2 Backstop one way clutch are roller type freewheels from bearing manufacturer, self-contained, sealed and bearing supported, using two 160.. series bearings. Units are delivered oil lubricated.

The Types RIZ-G2G3 and RIZ-G3G4 are precision-engineered backstop freewheel clutches designed for reliable overrunning and backstopping. These robust clutches effectively prevent reverse rotation, ensuring operational safety in applications like conveyor systems and gearboxes. They are built for dur...

Types AL, ALP are roller type freewheels from Suma bearing importer. These units are part of the modular system. They are bearing supported, using two 160.. series bearings, and require oil lubrication. These units may be used in designs providing oil lubrication and sealing as on the example overle...

Precision Wedge Mechanism : Instant engagement/disengagementDual Sealing Options : Standard (CSK...P) or double-sealed dustproof (2RS) versionsUltra-Thin Design : 30% reduced wall thickness for compact drive systemsMilitary-Grade Material : GCr15SiMn alloy steel extends fatigue life by 50%Zero Backl...

Internal Freewheels FGK are sprag freewheels from Suma bearing exporter with bearing support in the dimensions of the needle bearing series 59. The freewheels are supplied grease-filled for normal operating conditions and are maintenance-free.

A high precision, clutch suitable for medium to heavy duty applications.

Types GFR,GFRN are roller type freewheels from Suma one way clutch bearing maker. These units are part of the Stieber modular system. They are bearing supported, using two 160.. series bearings, and require oil lubrication. These units may be used in designs providing oil lubrication and sealing as ...

Type ALP..F7D7 is a roller type freewheel from Suma one way clutch bearing exporter, self-contained, sealed and bearing supported using two 160.. series bearings. Unit is not delivered oil lubricated.
This cover combination is mostly used as an overrunning or indexing clutch as shown overleaf.

Internal Freewheels FCN … R are roller free- wheels without bearing support and with series 62 ball bearing dimensions.

All clutches are fitted with high precision
heavy duty bearings for arduous duty
applications.

ND,NJ Backstop is a kind of low-speed plugging device from Suma bearing supplier, its structure is compact , light weight , reliable wedge , relief operation without binding , installer , installation accuracy is not high .

Type S200 is a non bearing supported sprag type freewheel from Suma bearing wholesaler. The sprags run directly on the shaft provided by the user. Bearings are required to support axial and radial loads. Lubrication and sealing must also be provided by the installation.

Type CR is a centrifugal lift off sprag type freewheel with the outer race rotating. Only the outer race is designed for freewheeling.
This type is superceded by the RSCI type. For any new drive with a shaft diameter above 30mm we recom-mend the RSCI type.
This type is non self-supporting.

Sprag Clutch - Flanged Stub Shaft Adaptors

Type ASNU is a roller type freewheel non-bearing supported from Suma bearing manufacturing company. Bearings are required to support axial and radial loads. Lubrication and sealing must also be provided by the installation. Nominal outer diameter is the same as a series 63.. ball bearing.

Type NF is a roller type freewheel non-bearing supported. Bearings are required to support axial and radial loads. Lubrication and sealing must also be provided by the installation.

Type RSCI is a centrifugal lift off sprag type freewheel with the inner race rotating. Only the inner race is designed for freewheeling. It is a non self- supported type.

Features
Internal Freewheels FDE are sprag freewheels with anti-friction bearing dimensions.
The freewheels FDE are used as:

Features
Internal Freewheels FDE are sprag freewheels with anti-friction bearing dimensions from Suma bearing importer.
The freewheels FDE are used as: