ขนาดนิ้วของลูกปืนบอลลึกขนาดเล็ก R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 ใช้เป็นหลักสำหรับมอเตอร์ความเร็วสูง

6000 ซีรี่ส์
6000.6001.6002.6003.6004.6005.6006.6007.6008.6009.6010.6011.6012.6013.6014.6015.6016.6017.6018.6019.6020.6021.6022.6024.6026.6028.6030.6032.6034.6036.6038.6040.6044.6048.6052

6200 ซีรี่ส์
6200.6201.6202.6203.6204.6205.6206.6207.6208.6209.6210.6211.6212.6213.6214.6215.62166217.6218.6219.6220.6221.62226224.6226.6228.6230.6232.6234.6236.6238.6240.6241.6242.6243.6244

6300 ซีรี่ส์
6300.6301.6302.6303.6304.6305.6306.6307.6308.6309.6310.6311.6312.6313.6314.6315 6316.6317.6318.6319.6320.6322 6324.6326.6328.6330.6332.6336.6338.6340

6400 ซีรี่ส์
6403.6404.6405.6406.6407.6408.6409.6410.6411.6412 6413.6414.6415.6416.6417.6418.6419 6420.6421.6422
6700 ซีรี่ส์
6700.6701.6702.6703.6704.6705.6706.6708.6709.6710.6711.6712.6713.6714.6715
6800 ซีรี่ส์ 6801.6802.6803.6804.6805.6806.6807.6808.6809.6810.6811.6812.6813.6814.6815.6816.6817.6818.6819.6820.6822.6824.6826.6828.6830.6832.6834.6836.6838.6840
6900 ซีรี่ส์ 6900.6901.6902.6903.6904.6905.6906.6907.6908.6909.6910.6911.6912.6913.6914.6915.6916.6917.6918.6919.6920.6922.6924.6926.6928.6930.6932.6934.6936.6938.6940
16000 ซีรี่ส์ 16000.16001.16002.16003.16004.16005.16006.16007.16008.16009.16010.16011.16012.16013.16014.16015.16016.16016.16017.16018.16019.16020.16022.16024.16026.16028.16030.16032.16034.16036.16038.16040
61800 ซีรี่ส์ 61800.61801.61802.61803.61804.61805.61806.61807.61808.61809.61810.61811.61812.61813.61814.61815.61816.61817.61818.61819.61820.61821.61822.61824.61826.61828.61830.61832.61834.61836.61838.61840.61844.61848.61852.61856.61860.61864.61868.61872.61876.61880.61884.61888.61892
61900 ซีรี่ส์ 61900.61901.61902.61903.61904.61905.61906.61907.61908.61909.61910.61911.61912.61913.61914.61915.61916.61917.61918.61919.61920.61922.61924.61926.61928.61930.61932.61934.61936.61938.61940.61944.61948.61952.61956.61960.61964