618 & 619 Series Thin Section Bearings

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618 & 619 Series Thin Section Bearings

The 618 (6800) and 619 (6900) Series represent the most space-efficient design in the deep groove ball bearing family. These "ultra-light" series offer an extremely small cross-section relative to their bore diameter. This allows for larger shaft diameters and more compact housing designs without increasing the overall footprint. Common in medical equipment, optical devices, and bicycle components, our 618 and 619 series (including specialized sizes like 619/8) provide the perfect balance between minimal weight and reliable rotational performance.

Seal type
Part Number Bore diameter Outside diameter Width For load direction Seal type Ring material Ball material Radial dynamic load rating Radial static load rating Limiting speed
619-2Z 2" - - Radial Shielded Chrome Steel Chrome Steel 46600 lbf 54800 lbf -
619/3-2Z 3 mm 8 mm 3 mm Radial Shielded Chrome Steel Chrome Steel 126 lbf 4 lbf 70 X 1000 rpm
618/2 4 mm 9 mm 2.5 mm Radial Open Chrome Steel Chrome Steel 95 lbf 26 lbf 85 X 1000 rpm
618/4 4 mm 9 mm 2.5 mm Radial Open Chrome Steel Chrome Steel 95 lbf 26 lbf 85 X 1000 rpm
618/7/W64 4 mm 9 mm 2.5 mm Radial Open Chrome Steel Chrome Steel 95 lbf 26 lbf 85 X 1000 rpm
618/8/W64 4 mm 9 mm 2.5 mm Radial Open Chrome Steel Chrome Steel 95 lbf 26 lbf 85 X 1000 rpm
619/4 4 mm 11 mm 4 mm Radial Open Chrome Steel Chrome Steel 140 lbf 40 lbf 80 X 1000 rpm
619/4-2Z 4 mm 11 mm 4 mm Radial Shielded Chrome Steel Chrome Steel 140 lbf 40 lbf 63 X 1000 rpm
618/5 5 mm 11 mm 3 mm Radial Open Chrome Steel Chrome Steel 105 lbf 32 lbf 75 X 1000 rpm
619/5 5 mm 13 mm 4 mm Radial Open Chrome Steel Chrome Steel 199 lbf 75 lbf 70 X 1000 rpm
619/5-2Z 5 mm 13 mm 4 mm Radial Shielded Chrome Steel Chrome Steel 199 lbf 75 lbf 50 X 1000 rpm
618/6 6 mm 13 mm 3.5 mm Radial Open Chrome Steel Chrome Steel 161 lbf 50 lbf 67 X 1000 rpm
619/6 6 mm 15 mm 5 mm Radial Open Chrome Steel Chrome Steel 199 lbf 61 lbf 63 X 1000 rpm
619/6-2Z 6 mm 15 mm 5 mm Radial Shielded Chrome Steel Chrome Steel 199 lbf 61 lbf 50 X 1000 rpm
618/7 7 mm 14 mm 3.5 mm Radial Open Chrome Steel Chrome Steel 175 lbf 58 lbf 63 X 1000 rpm
619/7 7 mm 17 mm 5 mm Radial Open Chrome Steel Chrome Steel 238 lbf 84 lbf 56 X 1000 rpm
619/7-2Z 7 mm 17 mm 5 mm Radial Shielded Chrome Steel Chrome Steel 238 lbf 84 lbf 45 X 1000 rpm
618/8 8 mm 16 mm 4 mm Radial Open Chrome Steel Chrome Steel 184 lbf 67 lbf 56 X 1000 rpm
618/8-2Z 8 mm 16 mm 4 mm Radial Shielded Chrome Steel Chrome Steel 184 lbf 67 lbf 56 X 1000 rpm
619/8 8 mm 19 mm 6 mm Radial Open Chrome Steel Chrome Steel 328 lbf 105 lbf 53 X 1000 rpm
619/8-2RS1 8 mm 19 mm 6 mm Radial Sealed Chrome Steel Chrome Steel 328 lbf 105 lbf 24 X 1000 rpm
619/8-2RS1/W64 8 mm 19 mm 6 mm Radial Sealed Chrome Steel Chrome Steel 328 lbf 105 lbf 53 X 1000 rpm
619/8-2Z 8 mm 19 mm 6 mm Radial Shielded Chrome Steel Chrome Steel 328 lbf 105 lbf 43 X 1000 rpm
619/8-2ZR 8 mm 19 mm 6 mm Radial Shielded Chrome Steel Chrome Steel 328 lbf 105 lbf 53 X 1000 rpm
618/9 9 mm 17 mm 4 mm Radial Open Chrome Steel Chrome Steel 196 lbf 76 lbf 53 X 1000 rpm
619/9 9 mm 20 mm 6 mm Radial Open Chrome Steel Chrome Steel 526 lbf 220 lbf 50 X 1000 rpm
619/9-2Z 9 mm 20 mm 6 mm Radial Shielded Chrome Steel Chrome Steel 526 lbf 220 lbf 40 X 1000 rpm
61800 10 mm 19 mm 5 mm Radial Open Chrome Steel Chrome Steel 387 lbf 187 lbf 48 X 1000 rpm
61800/W64 10 mm 19 mm 5 mm Radial Open Chrome Steel Chrome Steel 387 lbf 187 lbf 48 X 1000 rpm
61800/W64F 10 mm 19 mm 5 mm Radial Open Chrome Steel Chrome Steel 387 lbf 187 lbf 48 X 1000 rpm
61800-2RS1 10 mm 19 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 387 lbf 187 lbf 22 X 1000 rpm
61800-2RS1/W64L 10 mm 19 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 387 lbf 187 lbf 48 X 1000 rpm
61800-2Z 10 mm 19 mm 5 mm Radial Shielded Chrome Steel Chrome Steel 387 lbf 187 lbf 38 X 1000 rpm
61800-2Z/C3 10 mm 19 mm 5 mm Radial Shielded Chrome Steel Chrome Steel 387 lbf 187 lbf 48 X 1000 rpm
61900 10 mm 22 mm 6 mm Radial Open Chrome Steel Chrome Steel 607 lbf 286 lbf 45 X 1000 rpm
61900/W64 10 mm 22 mm 6 mm Radial Open Chrome Steel Chrome Steel 607 lbf 286 lbf 45 X 1000 rpm
61900-2RS1 10 mm 22 mm 6 mm Radial Sealed Chrome Steel Chrome Steel 607 lbf 286 lbf 20 X 1000 rpm
61900-2RS1/W64 10 mm 22 mm 6 mm Radial Sealed Chrome Steel Chrome Steel 607 lbf 286 lbf 45 X 1000 rpm
61900-2RS1/W64F 10 mm 22 mm 6 mm Radial Sealed Chrome Steel Chrome Steel 607 lbf 286 lbf 45 X 1000 rpm
61900-2Z 10 mm 22 mm 6 mm Radial Shielded Chrome Steel Chrome Steel 607 lbf 286 lbf 36 X 1000 rpm
61900-2Z/LHT23 10 mm 22 mm 6 mm Radial Shielded Chrome Steel Chrome Steel 607 lbf 286 lbf 45 X 1000 rpm
61801 12 mm 21 mm 5 mm Radial Open Chrome Steel Chrome Steel 391 lbf 206 lbf 43 X 1000 rpm
61801-2RS1 12 mm 21 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 391 lbf 206 lbf 20 X 1000 rpm
61801-2RS1/W64 12 mm 21 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 391 lbf 206 lbf 43 X 1000 rpm
61801-2Z 12 mm 21 mm 5 mm Radial Shielded Chrome Steel Chrome Steel 391 lbf 206 lbf 36 X 1000 rpm
61801-2Z/GFF/R806 12 mm 21 mm 5 mm Radial Shielded Chrome Steel Chrome Steel 391 lbf 206 lbf 43 X 1000 rpm
61901 12 mm 24 mm 6 mm Radial Open Chrome Steel Chrome Steel 654 lbf 328 lbf 40 X 1000 rpm
61901-2RS1 12 mm 24 mm 6 mm Radial Sealed Chrome Steel Chrome Steel 654 lbf 328 lbf 19 X 1000 rpm
61901-2RS1/W64 12 mm 24 mm 6 mm Radial Sealed Chrome Steel Chrome Steel 654 lbf 328 lbf 40 X 1000 rpm
61901-2Z 12 mm 24 mm 6 mm Radial Shielded Chrome Steel Chrome Steel 654 lbf 328 lbf 32 X 1000 rpm
61802 15 mm 24 mm 5 mm Radial Open Chrome Steel Chrome Steel 427 lbf 247 lbf 38 X 1000 rpm
61802/W64 15 mm 24 mm 5 mm Radial Open Chrome Steel Chrome Steel 427 lbf 247 lbf 38 X 1000 rpm
61802-2RS1 15 mm 24 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 427 lbf 247 lbf 17 X 1000 rpm
61802-2RS1/W64 15 mm 24 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 427 lbf 247 lbf 38 X 1000 rpm
61802-2RS1/W64F 15 mm 24 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 427 lbf 247 lbf 38 X 1000 rpm
61802-2Z 15 mm 24 mm 5 mm Radial Shielded Chrome Steel Chrome Steel 427 lbf 247 lbf 30 X 1000 rpm
61902 15 mm 28 mm 7 mm Radial Open Chrome Steel Chrome Steel 980 lbf 504 lbf 34 X 1000 rpm
61902-2RS1 15 mm 28 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 980 lbf 504 lbf 16 X 1000 rpm
61902-2RZ 15 mm 28 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 980 lbf 504 lbf 28 X 1000 rpm
61902-2RS1/C3HVT245 15 mm 28 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 980 lbf 504 lbf 34 X 1000 rpm
61902-2RS1/W64 15 mm 28 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 980 lbf 504 lbf 34 X 1000 rpm
61902-2RS1/W64F 15 mm 28 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 980 lbf 504 lbf 34 X 1000 rpm
61902-2RZ/C3VT105 15 mm 28 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 980 lbf 504 lbf 34 X 1000 rpm
61902-2Z 15 mm 28 mm 7 mm Radial Shielded Chrome Steel Chrome Steel 980 lbf 504 lbf 28 X 1000 rpm
61902-ZTN9 15 mm 28 mm 7 mm Radial Shielded Chrome Steel Chrome Steel 980 lbf 504 lbf 34 X 1000 rpm
61803 17 mm 26 mm 5 mm Radial Open Chrome Steel Chrome Steel 456 lbf 286 lbf 34 X 1000 rpm
61803-2RS1 17 mm 26 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 456 lbf 286 lbf 16 X 1000 rpm
61803-2RZ 17 mm 26 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 456 lbf 286 lbf 28 X 1000 rpm
61803-2RS1/W64 17 mm 26 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 456 lbf 286 lbf 34 X 1000 rpm
61803-RS1 17 mm 26 mm 5 mm Radial Sealed Chrome Steel Chrome Steel 456 lbf 286 lbf 34 X 1000 rpm
61803-2Z 17 mm 26 mm 5 mm Radial Shielded Chrome Steel Chrome Steel 456 lbf 286 lbf 28 X 1000 rpm
61903 17 mm 30 mm 7 mm Radial Open Chrome Steel Chrome Steel 1039 lbf 573 lbf 32 X 1000 rpm
61903/W64 17 mm 30 mm 7 mm Radial Open Chrome Steel Chrome Steel 1039 lbf 573 lbf 32 X 1000 rpm
61903-2RS1 17 mm 30 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 1039 lbf 573 lbf 14 X 1000 rpm
61903-2RZ 17 mm 30 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 1039 lbf 573 lbf 26 X 1000 rpm
61903-2RS1/C3LHT23 17 mm 30 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 1039 lbf 573 lbf 32 X 1000 rpm
61903-2RS1/W64 17 mm 30 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 1039 lbf 573 lbf 32 X 1000 rpm
61903-2RS1/W64L 17 mm 30 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 1039 lbf 573 lbf 32 X 1000 rpm
61903-RS1 17 mm 30 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 1039 lbf 573 lbf 32 X 1000 rpm
61903-2Z 17 mm 30 mm 7 mm Radial Shielded Chrome Steel Chrome Steel 1039 lbf 573 lbf 26 X 1000 rpm
61804 20 mm 32 mm 7 mm Radial Open Chrome Steel Chrome Steel 906 lbf 522 lbf 28 X 1000 rpm
61804/W64 20 mm 32 mm 7 mm Radial Open Chrome Steel Chrome Steel 906 lbf 522 lbf 28 X 1000 rpm
61804-2RS1 20 mm 32 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 906 lbf 522 lbf 13 X 1000 rpm
61804-2RZ 20 mm 32 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 906 lbf 522 lbf 22 X 1000 rpm
61804-2RS1/C3LHT23 20 mm 32 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 906 lbf 522 lbf 28 X 1000 rpm
61804-2RS1/W64 20 mm 32 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 906 lbf 522 lbf 28 X 1000 rpm
61804-2RS1/W64F 20 mm 32 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 906 lbf 522 lbf 28 X 1000 rpm
61804-2RS1/W64L 20 mm 32 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 906 lbf 522 lbf 28 X 1000 rpm
61904 20 mm 37 mm 9 mm Radial Open Chrome Steel Chrome Steel 1432 lbf 821 lbf 26 X 1000 rpm
61904-2RS1 20 mm 37 mm 9 mm Radial Sealed Chrome Steel Chrome Steel 1432 lbf 821 lbf 12 X 1000 rpm
61904-2RZ 20 mm 37 mm 9 mm Radial Sealed Chrome Steel Chrome Steel 1432 lbf 821 lbf 20 X 1000 rpm
61904-2RS1/C3HGJN 20 mm 37 mm 9 mm Radial Sealed Chrome Steel Chrome Steel 1432 lbf 821 lbf 26 X 1000 rpm
61904-2RS1/W64 20 mm 37 mm 9 mm Radial Sealed Chrome Steel Chrome Steel 1432 lbf 821 lbf 26 X 1000 rpm
61904-2RS1/W64F 20 mm 37 mm 9 mm Radial Sealed Chrome Steel Chrome Steel 1432 lbf 821 lbf 26 X 1000 rpm
61904-2RS1/W64L 20 mm 37 mm 9 mm Radial Sealed Chrome Steel Chrome Steel 1432 lbf 821 lbf 26 X 1000 rpm
61805 25 mm 37 mm 7 mm Radial Open Chrome Steel Chrome Steel 980 lbf 585 lbf 24 X 1000 rpm
61805 TN9 25 mm 37 mm 7 mm Radial Open Chrome Steel Chrome Steel 980 lbf 585 lbf 24 X 1000 rpm
61805/MTF6VS072 25 mm 37 mm 7 mm Radial Open Chrome Steel Chrome Steel 980 lbf 585 lbf 24 X 1000 rpm
61805/W64 25 mm 37 mm 7 mm Radial Open Chrome Steel Chrome Steel 980 lbf 585 lbf 24 X 1000 rpm
61805-2RS1 25 mm 37 mm 7 mm Radial Sealed Chrome Steel Chrome Steel 980 lbf 585 lbf 11 X 1000 rpm
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