| W 604-2Z, Miniature ball bearing, Closure on both sides, 4 mm ID, 12 mm OD, 4 mm WD, Stainless steel Cage | 4 | 12 | 4 | | €20.40/piece |
| W 604-2RS1, Miniature ball bearing, Closure on both sides, 4 mm ID, 12 mm OD, 4 mm WD, Stainless steel Cage | 4 | 12 | 4 | | €11.23/piece |
| W 605-2RS1, Miniature ball bearing, Closure on both sides, 5 mm ID, 14 mm OD, 5 mm WD, Stainless steel Cage | 5 | 14 | 5 | | €10.74/piece |
| W 606-2Z, Miniature ball bearing, Closure on both sides, 6 mm ID, 17 mm OD, 6 mm WD, Stainless steel Cage | 6 | 17 | 6 | | €28.15/piece |
| W 606-2RS1, Miniature ball bearing, Closure on both sides, 6 mm ID, 17 mm OD, 6 mm WD, Stainless steel Cage | 6 | 17 | 6 | | €11.30/piece |
| W 605-2Z, Miniature ball bearing, Closure on both sides, 5 mm ID, 14 mm OD, 5 mm WD, Stainless steel Cage | 5 | 14 | 5 | | €25.46/piece |