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Small ball bearings and miniature ball bearings > inch series > Imperial series inner diameter 1.016-9.525mm

Imperial series inner diameter 1.016-9.525mm

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Product drawing

1/1

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)CrCorCrCorgrease
Open type
Z·ZZ		oil
Open type
Z		Open typedust cover typeda（minimum）db(maximum）Da（maximum）db(maximum）γa（maximum）Open typedust cover type
1.016 3.175 1.191 - 0.1 80 23 8 2.5 130000 150000 R09 — 1.9 — 2.3 — 0.1 0.04 —
1.191 3.967 1.588 2.38 0.1 138 35 14 3.5 110000 130000 R0 R0 ZZ 2 1.9 3.1 3.5 0.1 0.09 0.11
1.397 4.762 1.984 2.779 0.1 231 66 24 6.5 90000 110000 R1 R1 ZZ 2.2 2.3 3.9 4.1 0.1 0.15 0.19
1.984 6.35 2.38 3.571 0.1 310 108 32 11 67000 80000 R1-4 R1-4 ZZ 2.8 3.9 5.5 5.9 0.1 0.35 0.5
2.38 4.762 1.588 - 0.1 188 60 19 6 80000 95000 R133 — 3.2 — 3.9 — 0.1 0.1 —
2.38 4.762 - 2.38 0.1 143 52 15 5.5 80000 95000 R133 R133 ZZS — 3 — 4.2 0.1 — 0.13
2.38 7.938 2.779 3.571 0.15 550 175 56 18 60000 71000 R1-5 R1-5 ZZ 3.6 4.1 6.7 7 0.15 0.6 0.72
3.175 6.35 2.38 2.779 0.1 283 95 29 9.5 67000 80000 R144 R144 ZZ 4 3.9 5.5 5.9 0.1 0.25 0.27
3.175 7.938 2.779 3.571 0.1 560 179 57 18 60000 67000 R2-5 R2-5 ZZ 4 4.3 7.1 7.3 0.1 0.55 0.72
3.175 9.525 2.779 3.571 0.15 640 225 65 23 53000 63000 R2-6 R2-6 ZZS 4.4 4.6 8.3 8.2 0.15 0.96 1.13

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