• KYK Miniature Ball Bearings (Open, ZZ, LLU)
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KYK Miniature Ball Bearings (Open, ZZ, LLU)

KYK Miniature Ball Bearings (Open, ZZ, LLU)

KYK extra small and miniature single-row deep groove ball bearings, bore 4 to 9 mm, in open, shielded (ZZ) and contact sealed (LLU) versions.

Key features

  • Open type, shielded type (ZZ) and contact sealed type (LLU) for each size
  • 60x, 62x and 68x dimension series
  • Limiting speeds listed for grease and oil lubrication
  • Basic load ratings given in kN and kgf

Specifications

Brand KYK
Bearing type Miniature deep groove ball bearing
Bore range 4 - 9 mm
Closures Open, ZZ shielded, LLU contact sealed
Load ratings Basic dynamic Cr / static C0r
Source KYK Bearing Catalogue, p. 30-31
604 d: 4 mm | D: 12 mm | B: 4 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0021 kg
604LLU d: 4 mm | D: 12 mm | B: 4 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0021 kg
604ZZ d: 4 mm | D: 12 mm | B: 4 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0021 kg
624 d: 4 mm | D: 13 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.49 kN | Mass: 0.0029 kg
624LLU d: 4 mm | D: 13 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.49 kN | Mass: 0.0029 kg
624ZZ d: 4 mm | D: 13 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.49 kN | Mass: 0.0029 kg
685 d: 5 mm | D: 11 mm | B: 3 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0010 kg
685LLU d: 5 mm | D: 11 mm | B: 5 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0010 kg
685ZZ d: 5 mm | D: 11 mm | B: 5 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0010 kg
605 d: 5 mm | D: 14 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.48 kN | Mass: 0.0035 kg
605LLU d: 5 mm | D: 14 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.48 kN | Mass: 0.0035 kg
605ZZ d: 5 mm | D: 14 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.48 kN | Mass: 0.0035 kg
625 d: 5 mm | D: 16 mm | B: 5 mm | Cr: 1.75 kN | C0r: 0.67 kN | Mass: 0.0050 kg
625LLU d: 5 mm | D: 16 mm | B: 5 mm | Cr: 1.75 kN | C0r: 0.67 kN | Mass: 0.0050 kg
625ZZ d: 5 mm | D: 16 mm | B: 5 mm | Cr: 1.75 kN | C0r: 0.67 kN | Mass: 0.0050 kg
686 d: 6 mm | D: 13 mm | B: 3.5 mm | Cr: 1.1 kN | C0r: 0.44 kN | Mass: 0.0018 kg
686LLU d: 6 mm | D: 13 mm | B: 5 mm | Cr: 1.1 kN | C0r: 0.44 kN | Mass: 0.0018 kg
686ZZ d: 6 mm | D: 13 mm | B: 5 mm | Cr: 1.1 kN | C0r: 0.44 kN | Mass: 0.0018 kg
606 d: 6 mm | D: 17 mm | B: 6 mm | Cr: 1.95 kN | C0r: 0.74 kN | Mass: 0.0058 kg
606LLU d: 6 mm | D: 17 mm | B: 6 mm | Cr: 1.95 kN | C0r: 0.74 kN | Mass: 0.0058 kg
606ZZ d: 6 mm | D: 17 mm | B: 6 mm | Cr: 1.95 kN | C0r: 0.74 kN | Mass: 0.0058 kg
626 d: 6 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0081 kg
626LLU d: 6 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0081 kg
626ZZ d: 6 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0081 kg
687 d: 7 mm | D: 14 mm | B: 3.5 mm | Cr: 1.15 kN | C0r: 0.51 kN | Mass: 0.0020 kg
687LLU d: 7 mm | D: 14 mm | B: 5 mm | Cr: 1.15 kN | C0r: 0.51 kN | Mass: 0.0020 kg
687ZZ d: 7 mm | D: 14 mm | B: 5 mm | Cr: 1.15 kN | C0r: 0.51 kN | Mass: 0.0020 kg
607 d: 7 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0076 kg
607LLU d: 7 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0076 kg
607ZZ d: 7 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0076 kg
627 d: 7 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0130 kg
627LLU d: 7 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0130 kg
627ZZ d: 7 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0130 kg
688 d: 8 mm | D: 16 mm | B: 4 mm | Cr: 1.6 kN | C0r: 0.71 kN | Mass: 0.0032 kg
688LLU d: 8 mm | D: 16 mm | B: 5 mm | Cr: 1.6 kN | C0r: 0.71 kN | Mass: 0.0032 kg
688ZZ d: 8 mm | D: 16 mm | B: 5 mm | Cr: 1.6 kN | C0r: 0.71 kN | Mass: 0.0032 kg
608 d: 8 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0120 kg
608LLU d: 8 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0120 kg
608ZZ d: 8 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0120 kg
628 d: 8 mm | D: 24 mm | B: 8 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0180 kg
628LLU d: 8 mm | D: 24 mm | B: 8 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0180 kg
628ZZ d: 8 mm | D: 24 mm | B: 8 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0180 kg
689 d: 9 mm | D: 17 mm | B: 4 mm | Cr: 1.35 kN | C0r: 0.66 kN | Mass: 0.0035 kg
689ZZ d: 9 mm | D: 17 mm | B: 5 mm | Cr: 1.35 kN | C0r: 0.66 kN | Mass: 0.0035 kg
689LLU d: 9 mm | D: 17 mm | B: 5 mm | Cr: 1.35 kN | C0r: 0.66 kN | Mass: 0.0035 kg
609 d: 9 mm | D: 24 mm | B: 7 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0150 kg
609LLU d: 9 mm | D: 24 mm | B: 7 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0150 kg
609ZZ d: 9 mm | D: 24 mm | B: 7 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0150 kg
629 d: 9 mm | D: 26 mm | B: 8 mm | Cr: 4.55 kN | C0r: 1.95 kN | Mass: 0.0200 kg
629LLU d: 9 mm | D: 26 mm | B: 8 mm | Cr: 4.55 kN | C0r: 1.95 kN | Mass: 0.0200 kg
629ZZ d: 9 mm | D: 26 mm | B: 8 mm | Cr: 4.55 kN | C0r: 1.95 kN | Mass: 0.0200 kg
Miniature BearingsKYK
51 product codes available in this family
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KYK Miniature Ball Bearings (Open, ZZ, LLU)

Brand KYK·Miniature Bearings

Available part numbers (51)

604, 604LLU, 604ZZ, 624, 624LLU, 624ZZ, 685, 685LLU, 685ZZ, 605 + 41 more — see full table ↓

How to order

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Product codes & specifications
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Product codeSpec
604d: 4 mm | D: 12 mm | B: 4 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0021 kg
604LLUd: 4 mm | D: 12 mm | B: 4 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0021 kg
604ZZd: 4 mm | D: 12 mm | B: 4 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0021 kg
624d: 4 mm | D: 13 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.49 kN | Mass: 0.0029 kg
624LLUd: 4 mm | D: 13 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.49 kN | Mass: 0.0029 kg
624ZZd: 4 mm | D: 13 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.49 kN | Mass: 0.0029 kg
685d: 5 mm | D: 11 mm | B: 3 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0010 kg
685LLUd: 5 mm | D: 11 mm | B: 5 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0010 kg
685ZZd: 5 mm | D: 11 mm | B: 5 mm | Cr: 0.97 kN | C0r: 0.36 kN | Mass: 0.0010 kg
605d: 5 mm | D: 14 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.48 kN | Mass: 0.0035 kg
605LLUd: 5 mm | D: 14 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.48 kN | Mass: 0.0035 kg
605ZZd: 5 mm | D: 14 mm | B: 5 mm | Cr: 1.3 kN | C0r: 0.48 kN | Mass: 0.0035 kg
625d: 5 mm | D: 16 mm | B: 5 mm | Cr: 1.75 kN | C0r: 0.67 kN | Mass: 0.0050 kg
625LLUd: 5 mm | D: 16 mm | B: 5 mm | Cr: 1.75 kN | C0r: 0.67 kN | Mass: 0.0050 kg
625ZZd: 5 mm | D: 16 mm | B: 5 mm | Cr: 1.75 kN | C0r: 0.67 kN | Mass: 0.0050 kg
686d: 6 mm | D: 13 mm | B: 3.5 mm | Cr: 1.1 kN | C0r: 0.44 kN | Mass: 0.0018 kg
686LLUd: 6 mm | D: 13 mm | B: 5 mm | Cr: 1.1 kN | C0r: 0.44 kN | Mass: 0.0018 kg
686ZZd: 6 mm | D: 13 mm | B: 5 mm | Cr: 1.1 kN | C0r: 0.44 kN | Mass: 0.0018 kg
606d: 6 mm | D: 17 mm | B: 6 mm | Cr: 1.95 kN | C0r: 0.74 kN | Mass: 0.0058 kg
606LLUd: 6 mm | D: 17 mm | B: 6 mm | Cr: 1.95 kN | C0r: 0.74 kN | Mass: 0.0058 kg
606ZZd: 6 mm | D: 17 mm | B: 6 mm | Cr: 1.95 kN | C0r: 0.74 kN | Mass: 0.0058 kg
626d: 6 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0081 kg
626LLUd: 6 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0081 kg
626ZZd: 6 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0081 kg
687d: 7 mm | D: 14 mm | B: 3.5 mm | Cr: 1.15 kN | C0r: 0.51 kN | Mass: 0.0020 kg
687LLUd: 7 mm | D: 14 mm | B: 5 mm | Cr: 1.15 kN | C0r: 0.51 kN | Mass: 0.0020 kg
687ZZd: 7 mm | D: 14 mm | B: 5 mm | Cr: 1.15 kN | C0r: 0.51 kN | Mass: 0.0020 kg
607d: 7 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0076 kg
607LLUd: 7 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0076 kg
607ZZd: 7 mm | D: 19 mm | B: 6 mm | Cr: 2.6 kN | C0r: 1.05 kN | Mass: 0.0076 kg
627d: 7 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0130 kg
627LLUd: 7 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0130 kg
627ZZd: 7 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0130 kg
688d: 8 mm | D: 16 mm | B: 4 mm | Cr: 1.6 kN | C0r: 0.71 kN | Mass: 0.0032 kg
688LLUd: 8 mm | D: 16 mm | B: 5 mm | Cr: 1.6 kN | C0r: 0.71 kN | Mass: 0.0032 kg
688ZZd: 8 mm | D: 16 mm | B: 5 mm | Cr: 1.6 kN | C0r: 0.71 kN | Mass: 0.0032 kg
608d: 8 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0120 kg
608LLUd: 8 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0120 kg
608ZZd: 8 mm | D: 22 mm | B: 7 mm | Cr: 3.3 kN | C0r: 1.35 kN | Mass: 0.0120 kg
628d: 8 mm | D: 24 mm | B: 8 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0180 kg
628LLUd: 8 mm | D: 24 mm | B: 8 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0180 kg
628ZZd: 8 mm | D: 24 mm | B: 8 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0180 kg
689d: 9 mm | D: 17 mm | B: 4 mm | Cr: 1.35 kN | C0r: 0.66 kN | Mass: 0.0035 kg
689ZZd: 9 mm | D: 17 mm | B: 5 mm | Cr: 1.35 kN | C0r: 0.66 kN | Mass: 0.0035 kg
689LLUd: 9 mm | D: 17 mm | B: 5 mm | Cr: 1.35 kN | C0r: 0.66 kN | Mass: 0.0035 kg
609d: 9 mm | D: 24 mm | B: 7 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0150 kg
609LLUd: 9 mm | D: 24 mm | B: 7 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0150 kg
609ZZd: 9 mm | D: 24 mm | B: 7 mm | Cr: 3.35 kN | C0r: 1.4 kN | Mass: 0.0150 kg
629d: 9 mm | D: 26 mm | B: 8 mm | Cr: 4.55 kN | C0r: 1.95 kN | Mass: 0.0200 kg
629LLUd: 9 mm | D: 26 mm | B: 8 mm | Cr: 4.55 kN | C0r: 1.95 kN | Mass: 0.0200 kg
629ZZd: 9 mm | D: 26 mm | B: 8 mm | Cr: 4.55 kN | C0r: 1.95 kN | Mass: 0.0200 kg

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