Roller follower RNAST type (separable type, without inner ring)

Brand :
THK
Caution
- Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.
Product Description
- Roller Follower Model RNAST (Separate Type, No Inner Ring), RNAST / RNAST-R series from THK.
- The roller outer diameter can be selected from 16 mm to 85 mm.
- The roller inner diameter can be selected from 7 mm to 55 mm.
- The roller width can be selected from 7.8 mm to 19.8 mm.
- The allowable rotational speed of cam follower can be selectable up to 30000 RPM.
- Operating temperature for seal is 80℃ or less.
Drawing

Product Specification
| Optional Specifications | Symbol | |
|---|---|---|
| Material | Carbon steel | No Symbol |
| Stainless steel | M | |
| Rolling Guide Method | With cage | No Symbol |
| Seal | No seal | No Symbol |
| Outer ring shape | Cylindrical outer ring | No Symbol |
| Spherical outer ring | R | |
Specifications Table

note 1) ○: Only carbon steel is compatible with the RNAST45 type.
note 2) ※ applies to grease lubrication. Oil lubrication allows up to 130% of this value.
Selection Support Information
Example of Nominal Part Number Structure
