曲线滚轮(螺栓轴承,凸轮轴承,曲线滚轮滚针轴承,滚轮轴承,滚轮滚针轴承)主要是要由一根螺栓轴和厚壁外圈及其他轴承元件组成的轴承单元。曲线滚轮的厚壁外圈,能承受冲击负荷,减少变形和弯曲应力。厚壁外圈的外工作面是圆弧设计,主要是为了避免应力集中,但可以为特定应用场合提供带圆柱(直线)工作面的曲线滚轮。 螺栓轴上可以带上六角螺母以便快速、方便地将轴承安装到对应的机器部件上。曲线滚轮主要适用于轨道传输等机械设备上。
主要特点:
- 承受冲击负荷,减少变形和弯曲应力;
- 螺栓为轴,配合螺母方便安装;
- 结构多样,用途广泛
结构如下表:
公制系列 | 英制系列 | 说明 |
KR,CF | CR.R | 曲线滚轮 |
KRV,CF.VR | CR.VR | 满装 |
KR.PP.CF.UUR | CR.UUR | 双密封 |
KRV.PP,CF.VUUR | CR.VUUR | 满装,双密封 |
KRE,CF.ER | | 带偏心套 |
KRVE,CF.EVR | | 带偏心套,满装 |
KRE.PP,CF.EUUR | | 带偏心套,双密封 |
KRVE.PP,CF.EVUUR | | 带偏心套,满装,双密封 |
NUKR,NUCF.R | | 滚动体引导,满装滚子 |
NUKRE,NUCFE.R | | 滚动体引导,满装滚子,带偏心套 |
外圈
- 材料:GCr15轴承钢
- 加工:车制后磨削
- 热处理:淬火
螺栓轴
- 材料:20CrMn
- 加工:车制螺纹,磨削
- 热处理:调质和渗碳
保持架
材料:ST12低碳钢
- 加工:经由冲床冲压拉伸成型后冲孔
- 热处理:渗碳或者发黑、其他
滚针、滚子
- 材料:GCr15轴承钢
- 加工:经由磨床磨加工
- 热处理:淬火HRc60-64
KR... KR..PP KRV... KRV...PP | | | | |
轴径 5~30mm | |
轴径 | 轴承型号及近似单重 | 外形尺寸 | 螺母拧紧力矩 | 基本额定负荷 | 极限转速 | 无密封圈 | 带密封圈 | 单重 | D | d | C | B | B1 | B2 | G | G1 | M | M1 | C1 | d2 | 动 | 静 | 作为曲线滚轮 | KR 脂润滑 | KR..PP 脂润滑 | mm | 球面 | 圆柱面 | 球面 | 圆柱面 | Cw | Cow | g | mm | Nm | kgf | KN | rpm | rpm | 5 | KRV13 | KRV13X | KRV13PP | KRV13PPX | 9.8 | 13 | 5 | 9 | 23 | 13 | -- | M5X0.8 | ¡¡ | 4 | -- | 0.6 | 12 | 2.5 | 260 | 280 | 3.7 | 5.35 | 3800 | 3800 | 6 | KR16 | KR16X | KR16PP | KR16PPX | 18 | 16 | 6 | 11 | 28 | 16 | -- | M6X1 | 8 | 4 | -- | 0.6 | 12 | 2.5 | 370 | 400 | 3.15 | 3.3 | 14000 | 12000 | KRV16 | KRV16X | KRV16PP | KRV16PPX | 20 | 16 | 6 | 11 | 28 | 16 | -- | M6X1 | 8 | 4 | -- | 0.6 | 12 | 2.5 | 370 | 400 | 4.85 | 6.5 | 3800 | 3800 | 8 | KR19 | KR19X | KR19PP | KR19PPX | 28 | 19 | 8 | 11 | 32 | 20 | -- | M8X1.25 | 10 | 4 | -- | 0.6 | 14 | 6.8 | 430 | 630 | 3.5 | 3.9 | 11000 | 9000 | KRV19 | KRV19X | KRV19PP | KRV19PPX | 32 | 19 | 8 | 11 | 32 | 20 | -- | M8X1.25 | 10 | 4 | -- | 0.6 | 14 | 6.8 | 430 | 630 | 5.5 | 7.9 | 3100 | 3100 | 10 | KR22 | KR22X | KR22PP | KR22PPX | 42 | 22 | 10 | 12 | 36 | 23 | -- | M10X1.25 M10x1 | 12 | 4 | -- | 0.6 | 17 | 12.5 | 550 | 670 | 4.45 | 5.2 | 8000 | 7000 | KRV22 | KRV22X | KRV22PP | KRV22PPX | 46 | 22 | 10 | 12 | 36 | 23 | -- | M10X1.25 M10x1 | 12 | 4 | -- | 0.6 | 17 | 12.5 | 550 | 670 | 6.3 | 9.1 | 2600 | 2600 | KR26 | KR26X | KR26PP | KR26PPX | 58 | 26 | 10 | 12 | 36 | 23 | -- | M10X1.25 M10x1 | 12 | 4 | -- | 0.6 | 17 | 12.5 | 550 | 670 | 5.1 | 6.2 | 8000 | 7000 | KRV26 | KRV26X | KRV26PP | KRV26PPX | 61 | 26 | 10 | 12 | 36 | 23 | -- | M10X1.25 M10x1 | 12 | 4 | 3 | 0.6 | 17 | 12.5 | 550 | 670 | 7.3 | 11.3 | 2600 | 2600 | 12 | KR30 | KR30X | KR30PP | KR30PPX | 87 | 30 | 12 | 14 | 40 | 25 | 6 | M12X1.5 | 13 | 6 | 3 | 0.6 | 23 | 18.2 | 810 | 900 | 6.8 | 8.4 | 5500 | 5500 | KRV30 | KRV30X | KRV30PP | KRV30PPX | 99 | 30 | 12 | 14 | 40 | 25 | 6 | M12X1.5 | 13 | 6 | 3 | 0.6 | 23 | 18.2 | 810 | 900 | 9.5 | 14.6 | 2100 | 2100 | KR32 | KR32X | KR32PP | KR32PPX | 105 | 32 | 12 | 14 | 40 | 25 | 6 | M12X1.5 | 13 | 6 | 3 | 0.6 | 23 | 18.2 | 810 | 900 | 7.1 | 9 | 5500 | 5500 | KRV32 | KRV32X | KRV32PP | KRV32PPX | 107 | 32 | 12 | 14 | 40 | 25 | 6 | M12X1.5 | 13 | 6 | 3 | 0.6 | 23 | 18.2 | 810 | 900 | 10 | 15.8 | 2100 | 2100 | 16 | KR35 | KR35X | KR35PP | KR35PPX | 169 | 35 | 16 | 18 | 52 | 32.5 | 8 | M16X1.5 | 17 | 6 | 3 | 0.8 | 27 | 45.8 | 1230 | 1560 | 9.7 | 14.1 | 3600 | 3600 | KRV35 | KRV35X | KRV35PP | KRV35PPX | 173 | 35 | 16 | 18 | 52 | 32.5 | 8 | M16X1.5 | 17 | 6 | 3 | 0.8 | 27 | 45.8 | 1230 | 1560 | 12.8 | 23 | 1600 | 1600 | 18 | KR40 | KR40X | KR40PP | KR40PPX | 250 | 40 | 18 | 20 | 58 | 36.5 | 8 | M18X1.5 | 19 | 6 | 3 | 0.8 | 32 | 68.7 | 1500 | 2500 | 10.9 | 15.5 | 2900 | 2900 | KRV40 | KRV40X | KRV40PP | KRV40PPX | 255 | 40 | 18 | 20 | 58 | 36.5 | 8 | M18X1.5 | 19 | 6 | 3 | 0.8 | 32 | 68.7 | 1500 | 2500 | 14.8 | 26.5 | 1400 | 1400 | 20 | KR47 | KR47X | KR47PP | KR47PPX | 386 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20X1.5 | 21 | 8 | 4 | 0.8 | 37 | 101 | 2110 | 3140 | 15.5 | 25.5 | 2400 | 2400 | KRV47 | KRV47X | KRV47PP | KRV47PPX | 390 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20X1.5 | 21 | 8 | 4 | 0.8 | 37 | 101 | 2110 | 3140 | 15.5 | 25.5 | 1200 | 1200 | KR52 | KR52X | KR52PP | KR52PPX | 461 | 52 | 20 | 29 | 66 | 40.5 | 9 | M20X1.5 | 21 | 8 | 4 | 0.8 | 37 | 101 | 2110 | 3140 | 16.8 | 29 | 2400 | 2400 | KRV52 | KRV52X | KRV52PP | KRV52PPX | 465 | 52 | 20 | 29 | 66 | 40.5 | 9 | M20X1.5 | 21 | 8 | 4 | 0.8 | 37 | 101 | 2110 | 3140 | 16.8 | 29 | 1200 | 1200 | 24 | KR62 | KR62X | KR62PP | KR62PPX | 815 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24X1.5 | 25 | 8 | 4 | 0.8 | 44 | 205 | 3110 | 3840 | 26.5 | 48 | 1900 | 1900 | KRV62 | KRV62X | KRV62PP | KRV62PPX | 820 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24X1.5 | 25 | 8 | 4 | 0.8 | 44 | 205 | 3110 | 3840 | 34 | 76 | 1100 | 1100 | KR72 | KR72X | KR72PP | KR72PPX | 1140 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24X1.5 | 25 | 8 | 4 | 0.8 | 44 | 205 | 3110 | 3840 | 28 | 53 | 1900 | 1900 | KRV72 | KRV72X | KRV72PP | KRV72PPX | 1140 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24X1.5 | 25 | 8 | 4 | 0.8 | 44 | 205 | 3110 | 3840 | 37 | 85 | 1100 | 1100 | 30 | KR80 | KR80X | KR80PP | KR80PPX | 1870 | 80 | 30 | 35 | 100 | 63 | 15 | M30X1.5 | 32 | 8 | 4 | 1 | 53 | 351 | 4630 | 6300 | 39.5 | 77 | 1300 | 1300 | KRV80 | KRV80X | KRV80PP | KRV80PPX | 1870 | 80 | 30 | 35 | 100 | 63 | 15 | M30X1.5 | 32 | 8 | 4 | 1 | 53 | 351 | 4630 | 6300 | 49.5 | 120 | 850 | 850 | KR85 | KR85X | KR85PP | KR85PPX | 2030 | 85 | 30 | 35 | 100 | 63 | 15 | M30X1.5 | 32 | 8 | 4 | 1 | 53 | 351 | 4630 | 6300 | 41.5 | 83 | 1300 | 1300 | KRV85 | KRV85X | KRV85PP | KRV85PPX | 2030 | 85 | 30 | 35 | 100 | 63 | 15 | M30X1.5 | 32 | 8 | 4 | 1 | 53 | 351 | 4630 | 6300 | 53 | 130 | 850 | 850 | KR90 | KR90X | KR90PP | KR90PPX | 2220 | 90 | 30 | 35 | 100 | 63 | 15 | M30X1.5 | 32 | 8 | 4 | 1 | 53 | 351 | 4630 | 6300 | 41.5 | 83 | 1300 | 1300 | KRV90 | KRV90X | KRV90PP | KRV90PPX | 2220 | 90 | 30 | 35 | 100 | 63 | 15 | M30X1.5 | 32 | 8 | 4 | 1 | 53 | 351 | 4630 | 6300 | 53 | 130 | 850 | 850 | |
外径 | `轴承型号及近似单重 | 外形尺寸 | 基本额定负荷 | 极限转速 | 无密封圈 | 带密封圈 | 单重 | d1 | D | Thread UNF | C | B1 | B | G1 | g1 | 动 | 静 | CR 脂润滑 | 圆柱面 | 球面 | 圆柱面 | 球面 | mm | g | inch/mm | N | rpm | 12.700 | CR 8 | CR 8R | CR 8UU | CR 8UUR | 9 | | 4.826 | 1/2 | 12.700 | 10-32 | 11/32 | 8.731 | 3/8 | 9.525 | 7/8 | 22.225 | 1/4 | 6.350 | 1/8 | 3.175 | 260 | 220 | 28000 | CR 8-1 | CR8-1R | CR8-1UU | CR8-1UUR | 10 | | 4.826 | 1/2 | 12.700 | 3/8 | 9.525 | 13/32 | 10.319 | 1 1/32 | 26.194 | 260 | 220 | 28000 | 15.875 | CR10 | CR10R | CR10UU | CR10UUR | 19 | 1/4 | 6.35 | 5/8 | 15.875 | 1/4''-28 | 13/32 | 10.319 | 7/16 | 11.112 | 1 1/16 | 26.988 | 5/16 | 7.938 | 1/8 | 3.175 | 370 | 370 | 21000 | CR10-1 | CR10-1R | CR10-1UU | CR10-1UUR | 21 | 1/4 | 6.35 | 5/8 | 15.875 | 7/16 | 11.112 | 15/32 | 11.906 | 1 7/32 | 30.956 | 370 | 370 | 21000 | 19.050 | CR12 | CR12R | CR12UU | CR12UUR | 35 | 3/8 | 9.525 | 3/4 | 19.050 | 3/8''-24 | 1/2 | 12.700 | 17/32 | 13.494 | 1 13/32 | 35.719 | 3/8 | 9.525 | 3/16 | 4.762 | 450 | 520 | 15000 | 22.225 | CR14 | CR14R | CR14UU | CR14UUR | 46 | 3/8 | 9.525 | 7/8 | 22.225 | 490 | 590 | 14000 | 25.400 | CR16 | CR16R | CR16UU | CR16UUR | 73 | 7/16 | 11.112 | 1 | 25.400 | 7/16''-20 | 5/8 | 15.875 | 21/32 | 16.669 | 1 21/32 | 42.069 | 1/2 | 12.700 | 3/16 | 4.762 | 900 | 1100 | 13000 | 28.575 | CR18 | CR18R | CR18UU | CR18UUR | 88 | 7/16 | 11.112 | 1 1/8 | 28.575 | 940 | 1180 | 12000 | 31.750 | CR20 | CR20R | CR20UU | CR20UUR | 132 | 1/2 | 12.700 | 1 1/4 | 31.750 | 1/2''-20 | 3/4 | 19.050 | 25/32 | 19.844 | 2 1/32 | 51.594 | 5/8 | 15.875 | 3/16 | 4.762 | 1450 | 1630 | 11000 | 34.925 | CR22 | CR22R | CR22UU | CR22UUR | 157 | 1/2 | 12.700 | 1 3/8 | 34.925 | 1450 | 1630 | 11000 | 38.100 | CR24 | CR24R | CR24UU | CR24UUR | 225 | 5/8 | 15.875 | 1 1/2 | 38.100 | 5/8''-18 | 7/8 | 22.225 | 29/32 | 23.019 | 2 13/32 | 61.119 | 3/4 | 19.050 | 3/16 | 4.762 | 1890 | 2470 | 8500 | 41.275 | CR26 | CR26R | CR26UU | CR26UUR | 260 | 5/8 | 15.875 | 1 5/8 | 41.275 | 1890 | 2470 | 8500 | 44.450 | CR28 | CR28R | CR28UU | CR28UUR | 365 | 3/4 | 19.050 | 1 3/4 | 44.450 | 3/4''-16 | 1 | 25.400 | 1 1/32 | 26.194 | 2 25/32 | 70.644 | 7/8 | 22.225 | 3/16 | 4.762 | 2560 | 3900 | 7000 | 47.625 | CR30 | CR30R | CR30UU | CR30UUR | 410 | 3/4 | 19.050 | 1 7/8 | 47.625 | 2560 | 3900 | 7000 | 50.800 | CR32 | CR32R | CR32UU | CR32UUR | 615 | 7/8 | 22.225 | 2 | 50.800 | 7/8''-14 | 1 1/4 | 31.750 | 1 9/32 | 32.544 | 3 9/32 | 83.344 | 1 | 25.400 | 3/16 | 4.762 | 3310 | 6510 | 5500 | 57.150 | CR36 | CR36R | CR36UU | CR36UUR | 750 | 7/8 | 22.225 | 2 1/4 | 57.150 | 3310 | 6510 | 5500 | |
| 轴径 | 轴承型号及近似单重 | 外形尺寸 | 偏心套尺寸 | 螺母拧紧力矩 | 基本额定负荷 | 极限转速 | 无偏心套 | 单重 | 带偏心套 | 单重 | D | d | C | B | B1 | B2 | G | G1 | M | M1 | C1 | d2 | d1 hg | B3 | e | 动 | 静 | 作为曲线滚轮 | 径向负荷极限 | 脂润滑 | Cw | Cow | Fr perm | For perm | mm | g | g | mm | mm | Nm | N | N | N | rpm | 16 | NUKR35 | 164 | NUKRE35 | 176.5 | 35 | 16 | 18 | 52 | 32.5 | 8 | M16X1.5 | 17 | 6 | 3 | 0.8 | 21 | 20 | 14 | 1 | 45.8 | 15100 | 19980 | 10120 | 16300 | 8300 | 16400 | 4230 | 18 | NUKR40 | 242 | NUKRE40 | 257.8 | 40 | 18 | 20 | 58 | 36.5 | 8 | M18X1.5 | 19 | 6 | 3 | 0.8 | 23 | 22 | 16 | 1 | 68.7 | 13800 | 18000 | 12500 | 18800 | 13200 | 22800 | 4210 | 20 | NUKR47 | 380 | NUKRE47 | 399.5 | 47 | 20 | 24 | 66 | 40.5 | 9 | M20X1.5 | 21 | 8 | 4 | 0.8 | 37 | 24 | 18 | 1 | 101 | 30200 | 40000 | 18900 | 28500 | 10500 | 30000 | 3200 | NUKR52 | 450 | NUKRE52 | 469.5 | 52 | 20 | 29 | 66 | 40.5 | 9 | M20X1.5 | 21 | 8 | 4 | 0.8 | 31 | 24 | 18 | 1 | 101 | 37500 | 49300 | 15001 | 22503 | 10400 | 30500 | 1990 | 24 | NUKR62 | 795 | NUKRE62 | 823.5 | 62 | 24 | 29 | 80 | 49.5 | 11 | M24X1.5 | 25 | 8 | 4 | 0.8 | 38 | 28 | 22 | 1 | 205 | 41000 | 59300 | 40500 | 51000 | 18800 | 39500 | 1300 | NUKR72 | 1200 | NUKRE72 | 1073 | 72 | 24 | 29 | 80 | 49.5 | 11 | M24X1.5 | 25 | 8 | 4 | 0.8 | 44 | 28 | 22 | 1 | 205 | 45000 | 63000 | 35000 | 41000 | 23500 | 51000 | 1020 | 30 | NUKR80 | 1800 | NUKRE80 | 1600 | 80 | 30 | 35 | 100 | 63 | 15 | M30X1.5 | 32 | 8 | 4 | 1 | 47 | 35 | 29 | 1.5 | 351 | 75000 | 103000 | 50200 | 71000 | 34900 | 72000 | 1200 | NUKR90 | 1960 | NUKRE90 | 2030 | 90 | 30 | 35 | 100 | 63 | 15 | M30X1.5 | 32 | 8 | 4 | 1 | 47 | 35 | 29 | 1.5 | 351 | 75000 | 102300 | 51400 | 93000 | 58000 | 97000 | 1500 | | |