ANSI/ABMA 20 Metric radial ball and roller bearings
CurrentLatest edition found. Still confirm amendments with the publisher.
- Edition
- ANSI/ABMA 20 2025
- Publisher
- ABMA
- Part family
- Bearings
- Reviewed
- 23 October 2026 · source checked
Is ANSI/ABMA 20 still current?
Yes. ANSI/ABMA 20 2025 is the latest edition MechAtlas found (MechAtlas review: 23 October 2026). Check the publisher for amendments before you specify it.
What it covers
Metric radial ball and roller bearings
Equivalent and related standards
| Standard | Relationship | Note |
|---|---|---|
| ISO 15 / 492 | Similar purpose — not interchangeable without an engineering check |
“Similar” never means interchangeable without an engineering check.
Parts that use ANSI/ABMA 20
- Rolling bearing (deep groove ball bearing) (USA (ASME / ASTM), main)
Standard radial rolling bearing on motor, pump, fan and gearbox shafts; carries radial and some axial load.
US standard for metric radial bearings.
Official source
MechAtlas does not reproduce standards. Check the official edition at the publisher's page for ANSI/ABMA 20 or the ABMA store.
Open in MechAtlasCheck a drawing callout
Other bearings standards
- ISO/TS 16281 Replaced
Advanced rating life calculation - ISO 15243 Changing
Bearing damage and failure terms and causes - ISO 281 Changing
Rolling bearing rating life - ISO 5753-1 Changing
Radial internal clearance - ISO 76 Changing
Static load ratings - ANSI/ABMA 4 Current
Tolerance definitions and gauging - ANSI/ABMA 8.2 Current
Locknuts, sleeves, locking devices (inch) - ANSI/ABMA 9 Current
Load ratings and fatigue life for ball bearings - DIN 5415 Current
Rolling bearings - adapter sleeves - DIN 625-1 Current
Radial deep groove ball bearings, single row - DIN 736 Current
Plummer block housings for diameter series 2 bearings - DIN 737 Current
Plummer block housings for diameter series 3 bearings