424 GB/T 3832.3-1983 拉刀圆柱形后柄型式和基本尺寸 Round follower end for broaches--Types and main dimensions
425 GB/T 3858-1993 液力传动术语 Hydrodynamic drive terminology
426 GB/T 3882-1995 滚动轴承 外球面球轴承和偏心套外形尺寸 Rolling bearings--Insert bearings and eccentric looking collars --Boundary dimensions
427 GB/T 3944-1983 关节轴承 词汇 Spherical plain bearing,joint type--Vocabulary
428 GB/T 4140-1993 输送用平顶链和链轮 Flat-top chains and associated chainwheels for conveyors
429 GB/T 4199-1984 滚动轴承公差定义 Rolling bearings--Tolerances-definitions
430 GB/T 4222-1991 杆端关节轴承 外形尺寸和公差 Spherical plain bearing rod ends—Boundary dimensions and tolerances
431 GB/T 4323-1984 弹性套柱销联轴器 Pin coupling with elastic sleeve
432 GB/T 4603-1984 滚针轴承 重系列 尺寸和公差 Needle roller bearings--Heavy series--Dimensions and tolerances
433 GB/T 4604-1993 滚动轴承 径向游隙 Rolling bearings--Radial internal clearance
434 GB/T 4646-1991 GEC...FSA 型自润滑向心关节轴承外形尺寸 GEC...FSA type maintenance-free spherical plain radia lbearings, joint type—Boundary dimensions
435 GB/T 4648-1996 滚动轴承 圆锥滚子轴承 凸缘外圈 外形尺寸 Rolling bearings--Metric tapered roller bearings--Flanged cups--Boundary dimensions
436 GB/T 4661-1989 滚动轴承 圆柱滚子 Rolling bearings-cylindrical rollers
437 GB/T 4662-1993 滚动轴承 额定静负荷 Rolling bearings--Static load ratings
438 GB/T 4663-1994 滚动轴承 推力圆柱滚子轴承 外形尺寸 Rolling bearings--Cylindrical thrust roller bearings--Boundary dimensions
439 GB/T 4982-1985 夹紧型真空快卸法兰 Vacuum technology clamped type quick release flange
440 GB/T 5014-1985 弹性柱销联轴器 Elastic pin coupling
441 GB/T 5015-1985 弹性柱销齿式联轴器 Gear coupling with elastic pin