.轮系紧固件（挡圈、圆螺母）

孔用弹性挡圈A型(GB893.1-86)mm图例孔径

d0挡圈沟槽（推荐）轴

d3≤DSb≈d1d2mn≥101.521111.811.43121312.50.941314.11.713.6141.11.251516.215.761617.316.871718.317.881819.5191.591920.52.5220102021.5212122.522112223.52312241.31.8132526.92.826.2142627.927.215282.1173032.131.4183133.432.72.6193234.433.720342.535.71.7223537.8373233638.838243739.839253840.840264043.5442.53.8274245.5344.5294548.54.747.5314750.549.5324850.5335054.22532.24.5365256.255385559.258405660.225.2594.5415862.261436064.263446266.265456367.266466569.22.5682.7486872.55.771507074.573537276.575557579.56.378567882.581608085.56.883.55.3638287.585.5658590.588.5688893.57.391.5709095.593.5729297.57.795.57395100.598.57598103.5101.578100105.5103.58010210838.141063.2682105112109831081158.811286110117114881121199.311689标记示例挡圈GB893.1–86–50表示孔径d0=50mm、材料65Mn、热处理硬度HRC44～51、经表面氧化处理的A型

孔用弹性挡圈。注：d3—允许套入的最大轴径。圆螺母（GB812-88）图例小圆螺母（GB810-88）mm螺纹规格

D×Pdkd1mhtcc1螺纹规格

D×Pdkmhtcc1maxminmaxminmaxminmaxminM10×1221684.342.620.50.5M10×12064.342.620.50.5M12×1.252519M12×1.2522M14×1.52820M14×1.525M16×1.530225.353.12.5M16×1.528M18×1.53224M18×1.5305.353.12.5M20×1.53527M20×1.532M22×1.5383010M22×1.5358M24×1.542341M24×1.538M25×1.5*M27×1.5421M27×1.54537M30×1.545M30×1.54840M33×1.548M33×1.55243106.363.6310.5M36×1.55286.363.6310.5M35×1.5*M39×1.555M36×1.55546M42×1.558M39×1.558491.5M45×1.562M40×1.5*M48×1.56810M42×1.56253M52×1.5728.3684.253.5M45×1.56859M56×2781M48×1.57261128.3684.253.5M60×280M50×1.5*M64×285M52×1.57867M68×290M55×2*M72×29512M56×285741M76×210010.36104.754M60×29079M80×21051.5M64×29584M85×2110M65×2*M90×2115M68×21008810.36104.754M95×2120M72×21059315M100×212512.43125.755M75×2*M105×213015M76×211098注：1、槽数n：当D≤M100×2，n=4；

当D≥M105×2，n=6。2、*仅用于滚动轴承锁紧装置。M80×2115103M85×2120108M90×21251121812.43125.755M95×2130117M100×2135122M105×2140127标记示例螺母GB812–88M16×1.5螺母GB810–88M16×1.5表示螺纹规格D=M16×1.5、材料为45钢、槽或全部热处理硬度HRC35～45、表面氧化的圆螺母和

小圆螺母。圆螺母用止动垫圈（GB858-88）mm图例规格

(螺纹大径)dD(参考)D1SbaH轴端b1t1010.5251613.883471212.52819981414.5322011101616.5342214.81335121818.53524154142020.5382717162222.5423019182424.54534212025*25.522—2727.54837245233030.5524027263333.556431.55.73062935*35.532—3636.5604633323939.56249363540*40.537—4242.5665339384545.5725942414848.576617.74584450*50.547—5252.582671.57.749684855*5652—565790745352606194791.57.7576856646510084616065*6662—6869105889.66510647273110936976875*7671—767711598727080811201037674858612510881799091130112211.68612849596135117918910010114012296941051061451271019911011115613513.510614104115116160140111109120121166145116114125126170150121119注：1、*仅用于滚动轴承锁紧装置。2、轴端尺寸摘自JB34-59。标记示例垫圈GB858–8816表示规格为16mm、材料为Q235–A、经退火、表面氧化的圆螺母用止动垫圈。轴端挡圈mm图例螺钉紧固用挡圈螺栓紧固用挡圈轴径≤公称直径

DHLdd1cD1螺钉GB819-85

(推荐)圆柱销GB119-86

(推荐)安装尺寸(参考)L1L2L3h16224–11M5×12A2×10146164.818254–202847.5223047.525325106.63.2113M6×16A3×12187205.628355103038510324051235455124050512455561694.21.517M8×20A4×14228247.4506061655656166070620657562070806207590825135.2225M12×25A5×1626102810.685100825注：1、当挡圈装在带螺纹孔的轴端时，紧固用螺钉允许加长。2、“轴端单孔挡圈的固定”不属GB891-86、GB892-86，供参考。螺钉紧固用挡圈螺栓紧固用挡圈轴径≤公称直径

DHLdd1cD1螺钉GB819-85

(推荐)圆柱销GB119-86

(推荐)安装尺寸(参考)L1L2L3h16224–11M5×12A2×10146164.818254–202847.5223047.525325106.63.2113M6×16A3×12187205.628355103038510324051235455124050512455561694.21.517M8×20A4×14228247.4506061655656166070620657562070806207590825135.2225M12×25A5×1626102810.685100825注：1、当挡圈装在带螺纹孔的轴端时，紧固用螺钉允许加长。2、“轴端单孔挡圈的固定”不属GB891-86、GB892-86，供参考。(推荐)螺栓

GB5783-86(推荐)圆柱销

GB119-86(推荐)垫圈

GB93-87M5×16A2×105M6×20A3×126M8×25A4×148M12×30A5×1612标记示例

挡圈GB891-86–45公称直径D=45mm、材料为Q235–A、不经表面处理的A型螺钉紧固轴端挡圈。

挡圈GB891-86–B45公称直径D=45mm、材料为Q235–A、不经表面处理的B型螺钉紧固轴端挡圈。图例轴肩挡圈（GB886-86）mm公称直径

d(轴径)D1

≥轴系列

径向轴承用中系列径向轴承和轻系列

径向推力轴承用重系列径向轴承和中系列

径向推力轴承用DHDHDH2022——2743052527——3235303236

3840353742445474042475052454752555850525860655558655685706606370727565687578807073808285757885889080839069561008858895100105909310010511095981101101151001031158115812010标记示例挡圈GB886–86–40×52表示直径d=40mm、D=52mm、材料为35钢、

不经热处理及表面处理的轴肩挡圈。紧定螺钉用的孔（JB/ZQ4251-86）（根据螺纹规格确定）mmd34681012162024d1

4.5679121518c1

456781012c21.52333.5456

h1≥

456781012h21.52333.5456

注：工作图上除c1、c2外其它尺寸应全部标出。图例轴用弹性挡圈A型（GB894.1-86）mm轴径d0挡

圈沟槽（推荐）孔d3≥dSb≈d1hd2mn≥0.510.765.61.321.21.355.712.276.51.556.713.8015.298.41.441.658.616.4109.311.441.5–17.61110.21.5210.50.818.612111.7211.519.61311.91.881.712.40.920.81412.913.4221513.82.001614.72.31715.72.4816.225.61816.5171.5271917.5218282018.52.6819292119.520312220.5213224342523.223.9352624.224.9362825.93.602926.93.7227.639.83027.928.6423229.63.922.530.32.64434232.31.7463532.24.52333483633.234493734.23550382.5-361.73514036.537.53.8534238.5339.5564541.542.559.44844.545.562.85045.825.483472.24.564.85247.849675550.85270.45651.86.125371.75853.85573.66055.85775.86257.859796358.82.5602.779.66560.86281.66863.56.3265857065.56787.27267.56989.47570.57292.87873.57596.28074.57.076.55.398.28276.578.51018579.581.51048882.584.5107.39084.57.686.51109589.59.291.511510094.596.512110598310.71013.2613211010311.3410613611510812111142注：d3——