Product Description
DIN 472 retaining rings for bores, 21 x 1.0 mm, Article number 472021. Property class / material: steel, surface finish plain. Retaining Rings for Bores manufactured to DIN 472. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution. Applications: axial location of bearings, gears and shafts in machine building, plant maintenance and marine equipment.
Technical Specifications
- Standard
- DIN 472
- Property class / grade
- STEEL
- Class (detailed)
- STEEL
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Retaining Ring Groove Diameter
- 22 mm
- Retaining Ring Nominal Diameter
- 21 mm
- Retaining Ring Opening Hole Diameter
- 2 mm
- Retaining Ring Outer Diameter
- 22.5 mm
- Retaining Ring Shaft Diameter
- 12.2 mm
- Retaining Ring Thickness
- 1 mm
- Retaining Ring Width
- 2.4 mm
- Article number
- 472021
- Category
- Retaining Rings / Retaining Rings for bores
Standards & Compliance
- Standard
- DIN 472
- Size / Series
- 21 x 1.0 mm
- Material
- Steel
- HS Code
- 731829
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 472021?
- 472021 can be ordered from cballast.com as a Bufab catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Bufab product?
- The manufacturer part number is 472021.
- What is the HS code for 472021?
- The customs tariff (HS) code for 472021 is 731829.
- Who manufactures 472021?
- 472021 is a Bufab product in the C-Parts range.
- Is a datasheet available for 472021?
- Yes — the 472021 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 472021?
- The minimum order quantity is 1.
- Is 472021 available?
- Yes — 472021 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).