平键和键槽的标准尺寸规格表轴径键公称尺寸b×h2×23×34×45×56×68×710×812×814×916×1018×1120×1222×1425×1428×16宽 度偏 差键 槽深 度轴t半径 r最大0.08最小0.16公称直径d毂t1较松一般较紧偏轴H9毂D10轴N8毂JS9轴毂P9公称偏差公称差0.030.06-0.004-0.0061.20.110.1±00.02-0.0290.0125-0.0311.801.400.030.07800.030-0.0122.533.50.040.09800.0400.040.120.050-0.0360-0.043±0.018-0.015-0.051-0.018-0.061±0.0215-0.022±0.026-0.0744555.5670.050.149007.599100.0600.180.080-0.062±0.031-0.026-0.08811121315170.0700.220.10-0.074±0.0370.032-0.106202022250.260.12-0.037±-0.0870.0135-0.124028310.300.065-0.0520.201.82.32.83.33.33.33.84.34.44.95.45.46.47.48.49.4101112121415172022.51.21.60.300.710.40.60.250.40.200.160.250.015-0.042-0.03±b2345681012141618202225283236404550566370806~8＞8~10＞10~12＞12~17＞17~22＞22~30＞30~38＞38~44＞44~50＞50~58＞58~65＞65~75＞75~85＞85~95＞95~110＞110~13032×18＞130~15036×20＞150~17040×22＞170~20045×25＞200~23050×28＞230~26056×32＞260~29063×32＞290~33070×36＞330~38080×40＞380~44090×45900.09＞440~500100×501000