Suma Precision Machinery

The RIZ and RINZ series are centrifugal lift-off sprag type overrunning clutches with inner race rotation. Designed for high-speed overrunning, backstopping, and indexing, this overrunning clutch fully disengages as speed increases, minimizing friction and wear. Fully interchangeable with Stieber mo...

Having a small cross section still has a higher load bearing capacity, therefore, especially suitable for the radial space-constrained.

Types FS, FSO, and HPI 750 to 1027 from Suma bearing manufacturer are sprag type freewheels self-contained, sealed and bearing supported, using two ball bearings.

Type GFK is a sprag type freewheel integrated into a 59.. series ball bearing from Suma bearing importer. This design provides high torque capacity for minimal outside diameter. It is a bearing supported type, delivered grease lubricated.

Type AS is a roller type freewheel non-bearing supported from China. Bearings are required to support axial and  radial loads. Lubrication and sealing must also be provided by the installation. Nominal outside dimensions are the same as series 62.. ball bearings.

Types RIZ..G1G2/G7G2, RINZ..G5G5 Freewheel Overrunning clutches are centrifugal lift off sprag type freewheels with the inner race rotating from Suma bearing importer. Only the inner race is designed for freewheeling.

Type KI is a roller type freewheel from Suma ball bearing company. one way ball bearing is an assembly comprising of an inner race and rollers fitted into a polyamide cage. This type of unit can not be dismantled. It is designed for small mechanisms in office equipment, or packaging machines, t...

Types FS, FSO, and HPI 750 to 1027 are sprag type freewheels self-contained, sealed and bearing supported, using two ball bearings.

Type RSBW is a DC sprag type freewheel from Suma roller bearing manufacturer. It is self-contained, centered by plain bearings for low rotational speeds and sealed using shield protected O Rings.

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 RIZ..ELG2 is a centrifugal lift off sprag type freewheel from Suma bearing oem when the inner race is overrunning. Only this race is designed for freewheeling. It is a self-contained
unit designed for overrunning clutch applications.

Types AL..F2D2/F4D2 are roller type freewheel roller clutch bearings from Suma Roller Bearing Manufacturer, self-contained, sealed and bearing supported, using two 160.. series bearings. Units are delivered oil lubricated.

Type AV is a roller type freewheel from Suma clutch one way bearing factory. It is self-contained, centered by plain bearings for low rotational speeds, and sealed using shield protected metallic labyrinth seals

Types RIZ..G1G2/G7G2, RINZ..G5G5 are centrifugal lift off sprag type freewheels with the inner race rotating. Only the inner race is designed for freewheeling.

CSK One Way Bearing (also called CSK Series One-Way Clutch or Overrunning Clutch) is a specialized type of bearing designed to transmit torque in one rotational direction while freely overrunning (freewheeling) in the opposite direction. CSK One Way Bearings are bearing supported, delivered grease l...

Cage Freewheels BWX are sprag freewheels from Suma 1 way clutch bearing vendor to be installed between customer-supplied inner and outer rings.

- Suitable for all small machine applications
where small compact dimensions are
required.

Complete Freewheels FRHD with torque arm are sealed sprag freewheels with ball bearings from bearing manufacturer. They are supplied oil-filled and ready for installation. The freewheels are arranged on through shafts or shaft ends.

Type RIZ..ESG2 is a centrifugal lift off sprag type freewheel from Suma bearing exporter when the inner race is overrunning. Only this race is designed for freewheeling.

Type AL..KEED2 is a roller type freewheel, self-contained, sealed and bearing supported, using two 160.. series bearings. Unit is delivered oil lubricated.This combination is used as overrunning clutch as shown overleaf.

A general purpose clutch suitable for most general light to medium duty applications.