16004 bearing: 20 × 42 × 8 mm

Bearings › 16004

A 16004 is a deep groove ball bearing, 20 mm bore, 42 mm outside diameter, 8 mm wide. Variants: 16004-2RS (rubber sealed), 16004-ZZ (metal shields), 16004 open.

Sizes from maker catalogues. No sourced load ratings for this one yet, so none are shown.

Open 16004 in BenchsmithAdd to order list

What the number means

Ask for

• 16004-2RS: rubber sealed both sides. Other brands: SKF 16004-2RSH, FAG 16004-2RSR, NSK 16004DDU, NTN 16004LLU, Koyo 16004-2RS.
• 16004-ZZ: metal shields both sides. Other brands: SKF 16004-2Z, FAG 16004-2ZR, NSK 16004ZZ, NTN 16004ZZ, Koyo 16004ZZ.
• 16004: open, no seals or shields.

Add C3 for electric motors and anything that runs hot.

Same bore, different size

• 680420 × 32 × 7
• 690420 × 37 × 9
• 600420 × 42 × 12
• 620420 × 47 × 14
• 630420 × 52 × 15
• 640420 × 72 × 19

One size up or down

• 1600317 × 35 × 8 (down)
• 1600525 × 47 × 8 (up)

Every bearing 20 × 42 × 8 mm: 20 × 42 × 8 mm bearings. Measured a bearing with no number on it? Type the bore, OD and width into Benchsmith → Find → Bearing.