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Silicon Nitride Ceramic Bearings Metric Size

Precision-engineered for high-speed, high-load applications with superior thermal shock resistance. Ideal for aerospace, industrial, and automotive systems requiring metric dimensions and unmatched durability.

InquiryPart NumberIDODWidthShield TypeDynamic LoadStatic LoadMax Speed(X1K rpm)Ring MaterialTemperature RangePrecisionClearanceRoHSREACH
6704 20 mm 27 mm 4 mm Open 252 N 180 N 7 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6404 20 mm 72 mm 19 mm Open 7675 N 3750 N 8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
63804 2RS 20 mm 32 mm 10 mm Sealed 1005 N 615 N 17 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
63804 20 mm 32 mm 10 mm Open 1005 N 615 N 17 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6304 2RS 20 mm 52 mm 15 mm Sealed 3975 N 1962 N 11.2 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6304 20 mm 52 mm 15 mm Open 3975 N 1962 N 11.2 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
63004 2RS 20 mm 42 mm 16 mm Sealed 2350 N 1250 N 16 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
62304 2RS 20 mm 52 mm 21 mm Sealed 3975 N 1950 N 13.6 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
62204 2RS 20 mm 47 mm 18 mm Sealed 3175 N 1650 N 14.4 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6204 2RS 20 mm 47 mm 14 mm Sealed 3200 N 1662 N 12 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6204 20 mm 47 mm 14 mm Open 3200 N 1662 N 12 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6004 2RS 20 mm 42 mm 12 mm Sealed 2350 N 1262 N 13.6 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6004 20 mm 42 mm 12 mm Open 2350 N 1262 N 13.6 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
16004 20 mm 42 mm 8 mm Open 1575 N 950 N 10.4 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
ET2418 18 mm 24 mm 4 mm Open - - - Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6903 2RS 17 mm 30 mm 7 mm Sealed 1148 N 640 N 18 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6903 17 mm 30 mm 7 mm Open 1148 N 640 N 18 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6803 2RS 17 mm 26 mm 5 mm Sealed 558 N 365 N 19 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6803 17 mm 26 mm 5 mm Open 558 N 365 N 19 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
6703 2RS 17 mm 23 mm 4 mm Sealed 250 N 164 N 8 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
60/1060 MB 1060 mm 1500 mm 195 mm Open 382500 N 1125000 N 0.4 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
306493 AA 850 mm 1220 mm 165 mm Open 260000 N 675000 N 0.4 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
608/800 MA 800 mm 980 mm 57 mm Open 100750 N 250000 N 0.68 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
60/800 N1MAS 800 mm 1150 mm 155 mm Open 252500 N 637500 N 0.6 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
361844 800 mm 1080 mm 115 mm Open 204750 N 510000 N 0.48 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
306474 D 760 mm 1080 mm 150 mm Open 230750 N 550000 N 0.48 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
60/710 MA 710 mm 1030 mm 140 mm Open 239000 N 550000 N 0.68 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
306704 C 710 mm 1000 mm 140 mm Open 208000 N 475000 N 0.54 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
360141 710 mm 1080 mm 160 mm Open 260000 N 600000 N 0.5 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
60/670 N1MAS 670 mm 980 mm 136 mm Open 226000 N 510000 N 0.72 Silicon Nitride ﹣176 to 1472 °F ABEC-1 C0 Compliant Compliant
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