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Ningbo Qitan Bearing Co.,Ltd1
Add : No.211 West Nanyi Road, Zhenhai District, Ningbo, Zhejiang Province, China 315200
Phone:+86 182 6295 3431
Website:www.alibearing.com
E-mail : lili@alibearing.com
R1 Series Miniature Ball Bearing

Model Seal Type Bore Dia (d) Outer Dia (D) Width (B) Dynamic Load
Rating
(Cr) (N)
Static Load
Rating
(Cor) (N)
MAX SPEED
(GREASE)
(X1000 RPM)
MAX SPEED
(OIL)
(X1000 RPM)
R1-4 Open 0.0781" 0.2500" 0.0937" 310 108 67 80
R1-4zz Shielded 0.0781" 0.2500" 0.1406" 310 108 67 80
R1-4 2rs Sealed 0.0781" 0.2500" 0.1406" 310 108 67 80
R133 Open 0.0937" 0.1875" 0.0625" 188 60 80 95
R133zz Shielded 0.0937" 0.1875" 0.0937" 188 60 80 95
R133 2rs Sealed 0.0937" 0.1875" 0.0937" 188 60 80 95
R1-5 Open 0.0937" 0.3125" 0.1094" 550 175 60 71
R1-5zz Shielded 0.0937" 0.3125" 0.1406" 550 175 60 71
R1-5 2rs Sealed 0.0937" 0.3125" 0.1406" 550 175 60 71
R144 Open 0.125" 0.2500" 0.0937" 283 95 67 80
R144zz Shielded 0.125" 0.2500" 0.1094" 283 95 67 80
R144 2rs Sealed 0.125" 0.2500" 0.1094" 283 95 67 80
R155 Open 0.1562" 0.3125" 0.1094" 360 149 53 63
R155zz Shielded 0.1562" 0.3125" 0.1250" 360 149 53 63
R155 2rs Sealed 0.1562" 0.3125" 0.1250" 360 149 53 63
R156 Open 0.1875" 0.3125" 0.1094" 360 149 53 63
R156zz Shielded 0.1875" 0.3125" 0.1250" 360 149 53 63
R156 2rs Sealed 0.1875" 0.3125" 0.1250" 360 149 53 63
R166 Open 0.1875" 0.3750" 0.1250" 710 270 50 60
R166zz Shielded 0.1875" 0.3750" 0.1250" 710 270 50 60
R166 2rs Sealed 0.1875" 0.3750" 0.1250" 710 270 50 60
R168 Open 0.2500" 0.3750" 0.1250" 375 173 48 56
R168zz Shielded 0.2500" 0.3750" 0.1250" 375 173 48 56
R168 2rs Sealed 0.2500" 0.3750" 0.1250" 375 173 48 56
R188 Open 0.2500" 0.5000" 0.1250" 1080 440 40 50
R188zz Shielded 0.2500" 0.5000" 0.1875" 1080 440 40 50
R188 2rs Sealed 0.2500" 0.5000" 0.1875" 1080 440 40 50
R1810 Open 0.3125" 0.5000" 0.1562" 540 276 40 48
R1810zz Shielded 0.3125" 0.5000" 0.1562" 540 276 40 48
R1810 2rs Sealed 0.3125" 0.5000" 0.1562" 540 276 40 48
R6 Open 0.375" 0.8750" 0.2188" 3350 1410 32 38
R6zz Shielded 0.375" 0.8750" 0.2812" 3350 1410 32 38
R6 2rs Sealed 0.375" 0.8750" 0.2812" 3350 1410 32 38
R1038 Open 0.3750" 0.6250" 0.1562" 815 411 28 31
R1038zz Shielded 0.3750" 0.6250" 0.1562" 815 411 28 31
R1038 2rs Sealed 0.3750" 0.6250" 0.1562" 815 411 28 31
R1212 Open 0.5000" 0.7500" 0.1562" 898 524 21 26
R1212zz Shielded 0.5" 0.75" 0.1562" 898 524 21 26
R1212 2rs Sealed 0.5" 0.75" 0.1562" 898 524 21 26
R8 Open 0.5" 1.125" 0.25" 3930 2230 24 29
R8zz Shielded 0.5" 1.125" 0.3125" 3930 2230 24 29
R8 2rs Sealed 0.5" 1.125" 0.3125" 3930 2230 24 29
R10 Open 0.625" 1.375" 0.812" 4620 2790 36 40
R10zz Shielded 0.625" 1.375" 0.3437" 4620 2790 36 40
R10 2rs Sealed 0.625" 1.375" 0.3437" 4620 2790 36 40
R12 Open 0.75" 1.625" 0.3125" 7240 4463 41 43
R12zz Shielded 0.75" 1.625" 0.4375" 7240 4463 41 43
R12 2rs Sealed 0.75" 1.625" 0.4375" 7240 4463 41 43
R14 Open 0.875" 1.875" 0.375" 7740 4900 40 42
R14zz Shielded 0.875" 1.875" 0.5" 7740 4900 40 42
R14 2rs Sealed 0.875" 1.875" 0.5" 7740 4900 40 42
R16 Open 1" 2" 0.375" 7740 5160 38 45
R16zz Shielded 1" 2" 0.5" 7740 5160 38 45
R16 2rs Sealed 1" 2" 0.5" 7740 5160 38 45
R18 Open 1.125" 2.125" 0.375" 10180 6910 28 45
R18zz Shielded 1.125" 2.125" 0.5" 10180 6910 28 45
R18 2rs Sealed 1.125" 2.125" 0.5" 10180 6910 28 45
R20 Open 1.25" 2.25" 0.375" 10800 7520 28 33
R20zz Shielded 1.25" 2.25" 0.5" 10800 7520 28 33
R20 2rs Sealed 1.25" 2.25" 0.5" 10800 7520 28 33
R22 Open 1.375" 2.5" 0.4375" 12280 8500 30 38
R22zz Shielded 1.375" 2.5" 0.5625" 12280 8500 30 38
R22 2rs Sealed 1.375" 2.5" 0.5625" 12280 8500 30 38
R24 Open 1.5" 2.625" 0.4375" 14350 10240 32 40
R24zz Shielded 1.5" 2.625" 0.5625" 14350 10240 32 40
R24 2rs Sealed 1.5" 2.625" 0.5625" 14350 10240 32 40
Contact Us
Ningbo Qitan Bearing Co.,Ltd
Add : No.211 Nanyi Road, Zhenhai District, Ningbo, Zhejiang Province, China 315200
Phone: +86 182 6295 3431
Website: www.alibearing.com
E-mail : lili@alibearing.com

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