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Small ball bearings and miniature ball bearings > Rice series > Metric series with an inner diameter of 1-4mm

Metric series with an inner diameter of 1-4mm

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Product drawing

1/2

drawing

1/2

Product parameters

External dimensions（mm)Rated load(N)Rated load{kgf}Rated speed min-1Bearing codeInstallation size(mm)weight(g)(refer to)
dDBB1γ(minimum)γ1(minimum)CrCorCrCorgrease
ZZ		oil
Z		Open typedust cover typesealedsealedda（minimum）db(maximum）da(maximum）Db(minimum)γa（maximum）γb(maximum）Open typedust cover type
2 6 2.5 2.5 0.15 0.15 330 98 34 10 75000 90000 MR62 MR62ZZ — — 3.2 3 4.8 5.2 0.15 0.15 0.3 0.29
2 7 2.5 3 0.15 0.15 385 127 39 13 63000 75000 MR72 MR72ZZ — — 3.2 3.8 5.8 6.2 0.15 0.15 0.45 0.49
2 7 2.8 3.5 0.15 0.15 385 127 39 13 63000 75000 602 602ZZ — — 3.2 3.8 5.8 6.2 0.15 0.15 0.51 0.58
2.5 6 1.8 2.6 0.08 0.08 208 74 21 7.5 71000 80000 682X 682XZZ — — 3.1 3.7 5.4 5.4 0.08 0.08 0.23 0.29
2.5 7 2.5 3.5 0.15 0.15 385 127 39 13 63000 75000 692X 692XZZ — — 3.7 3.8 5.8 6.2 0.15 0.15 0.41 0.55
2.5 8 2.5 - 0.2 — 560 179 57 18 60000 67000 MR82X — — — 4.1 — 6.4 — 0.2 — 0.56 —
2.5 8 2.8 4 0.15 0.15 550 175 56 18 60000 71000 602X 602XZZ — — 3.7 4.1 6.8 7 0.15 0.15 0.63 0.83
3 6 2 2.5 0.1 0.1 208 74 21 7.5 71000 80000 MR63 MR63ZZ — — 3.8 3.7 5.2 5.4 0.1 0.1 0.2 0.27
3 7 2 3 0.1 0.1 390 130 40 13 63000 75000 683A 683AZZ — — 3.8 4 6.2 6.4 0.1 0.1 0.32 0.45
3 8 2.5 - 0.15 — 560 179 57 18 60000 67000 MR83 — — — 4.2 — 6.8 — 0.15 — 0.54 —

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