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Silicon Nitride Ceramic Bearings Inch Size

Premium-grade bearings offering exceptional strength, thermal stability, and corrosion resistance in inch dimensions. Perfect for high-speed turbines, precision machinery, and extreme-environment applications where steel fails.

InquiryPart NumberIDODWidthShield TypeDynamic LoadStatic LoadMax Speed(X1K rpm)Ring MaterialTemperature RangePrecisionClearanceRoHSREACH
6321 2RS 105 mm 225 mm 49 mm Sealed 55200 N 45900 N 1.4 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6321 105 mm 225 mm 49 mm Open 55200 N 45900 N 1.82 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6221 2RS 105 mm 190 mm 36 mm Sealed 39900 N 31500 N 1.54 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6021 2RS 105 mm 160 mm 26 mm Sealed 21690 N 19740 N 1.68 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6221 105 mm 190 mm 36 mm Open 39900 N 31500 N 2.45 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6021 105 mm 160 mm 26 mm Open 21690 N 19740 N 2.8 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
16021 105 mm 160 mm 18 mm Open 15540 N 15180 N 2.66 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6320 2RS 100 mm 215 mm 47 mm Sealed 51900 N 42300 N 1.54 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6320 100 mm 215 mm 47 mm Open 51900 N 42300 N 1.96 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6220 2RS 100 mm 180 mm 34 mm Sealed 36600 N 27930 N 1.68 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6020 2RS 100 mm 150 mm 24 mm Sealed 18060 N 16260 N 1.82 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6220 100 mm 180 mm 34 mm Open 36600 N 27930 N 2.52 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6020 100 mm 150 mm 24 mm Open 18060 N 16260 N 3.01 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
16020 100 mm 150 mm 16 mm Open 13140 N 13290 N 2.66 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6819 2RS 95 mm 120 mm 13 mm Sealed 5640 N 6090 N 4 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6319 2RS 95 mm 200 mm 45 mm Sealed 45900 N 35700 N 1.68 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6819 95 mm 120 mm 13 mm Open 5640 N 6090 N 4 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6319 95 mm 200 mm 45 mm Open 45900 N 35700 N 2.1 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6219 2RS 95 mm 170 mm 32 mm Sealed 32700 N 24570 N 1.82 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6219 95 mm 170 mm 32 mm Open 32700 N 24570 N 2.66 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6019 2RS 95 mm 145 mm 24 mm Sealed 18120 N 16170 N 1.82 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
16019 95 mm 145 mm 16 mm Open 12810 N 12570 N 2.73 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6019 95 mm 145 mm 24 mm Open 18120 N 16170 N 3.15 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6918 2RS 90 mm 125 mm 18 mm Sealed 9840 N 9480 N 4 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6918 90 mm 125 mm 18 mm Open 9720 N 9480 N 4 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6818 2RS 90 mm 115 mm 13 mm Sealed 5490 N 5850 N 4 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6418 90 mm 225 mm 54 mm Open 55800 N 45000 N 2.1 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6818 90 mm 115 mm 13 mm Open 5490 N 5850 N 4 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6318 2RS 90 mm 190 mm 43 mm Sealed 42900 N 32100 N 1.68 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
6318 90 mm 190 mm 43 mm Open 42900 N 32100 N 2.52 Zirconia ﹣176 to 752 °F ABEC-1 C0 Compliant Compliant
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