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Single Row Crossed Roller Slewing Bearing（HJ Series）– Internal Gear
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Slewing Bearing

Single Row Crossed Roller Slewing Bearing（HJ Series）– Internal Gear

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Characteristic of structure, performance and application

The single row crossed roller slewing bearing is composed of two seat rings, which design in compact structure and light weight, the clearance is small when assembly, so need high precision. The roller are 1:1 cross arranged, it can bear the axial force, tilting moment and relatively large radial force. It is widely used for hoisting, transportation, construction machinery, and the military products.

Note:

1. n1 is the nos of lubricating holes.Oil cup M10×1JB/T7940.1~JB/T7940.2.The Oil nipple’s location can be change according to the user’s application.
2. n-φcan change to tapped hole,the diameter of tapped hole is M,depth is 2M.
3. The tangential tooth force in the form is the max tooth force,the nominal tangential tooth force is 1/2 of the max one.
4. “K” is addendum reduction coefficient.

Specifications

No. Internal gear
DL
mm		 Dimensions Mounting Dimensions Structural Dimension Gear data Gear circumferential force Weight
kg
D
mm		 d
mm		 H
mm		 D1
mm		 D2
mm		 n mm n1
mm		 D3
mm		 d1
mm		 H1
mm		 h
mm		 b
mm		 x M
mm		 De
mm		 z Quenching
T 104N
1 HJN.20.625 725 525 80 685 565 18 18 3 627 623 68 12 60 1.4 5 498.8 101 5.2 100
HJN.20.625A 1.15 6 496.7 84 6.2
2 HJN.20.720 820 620 80 780 660 18 18 3 722 718 68 12 60 1.4 6 586.6 99 6.2 120
HJN.20.720A 1 8 582.3 74 8.3
3 HJN.30.820 940 705 95 893 749 24 20 4 822 818 83 12 70 1.4 6 664.5 112 7.2 210
HJN.30.820A 1 10 658 67 12.2
4 HJN.30.880 1000 760 95 956 800 24 20 4 882 878 83 12 70 1.15 8 718.2 91 9.7 230
HJN.30.880A 1 10 707.9 72 12.2
5 HJN.30.1020 1170 875 95 1120 930 24 22 4 1022 1018 80 15 70 1.4 8 830.1 105 9.7 300
HJN.30.1020A 1.15 10 827.8 84 12.2
6 HJN.36.1220 1365 1075 120 1310 1130 36 24 6 1222 1218 105 15 90 1.4 10 1027.8 104 15.7 450
HJN.36.1220A 1 12 1017.3 86 18.8
7 HJN.36.1250 1400 1090 120 1350 1150 36 26 6 1252 1248 105 15 90 -0.35 10 1037 105 15.7 520
HJN.36.1250A 1 12 1028.8 87 18.8
8 HJN.36.1435 1595 1278 120 1535 1335 36 26 6 1437 1433 105 15 90 1.15 12 1221.2 1.3 18.8 610
HJN.36.1435A 1 14 1214.8 88 21.9
9 HJN.45.1540 1720 1360 140 1660 1420 42 26 6 1543 4537 122 18 110 1.4 12 1293.1 109 23 732
HJN.45.1540A 1.15 14 1284.8 93 26.8
10 HJN.45.1700 1875 1525 140 1815 1585 42 29 6 1703 1697 122 18 110 1.15 14 1452.7 105 26.8 844
HJN.45.1700A 1.15 16 1452.3 92 30.5
11 HJN.45.1880 2100 1665 160 2030 1740 48 32 6 1883 1876 140 20 115 1.4 14 1592.6 115 27.8 1400
HJN.45.1880A 1.15 18 1579.9 89 35.8
12 HJN.45.2115 2325 1900 160 2245 1980 48 32 6 2118 2112 140 20 115 1.4 16 1804.1 114 31.9 1600
HJN.45.2115A 1.15 20 1795.4 91 40
13 HJN.45.2370 2600 2146 180 2520 2220 48 32 6 2373 2367 158 22 130 1.4 18 2065.6 116 40.7 2100
HJN.45.2370A 1.15 22 2040.9 94 49.7
14 HJN.45.2600 2835 2365 180 2750 2450 54 36 6 2603 2597 158 22 130 1.4 18 2263.5 127 37.6 2400
HJN.45.2600A 1.15 22 2260.8 104 45.9
15 HJN.50.2820 3085 2555 200 3000 2640 54 36 6 2823 2817 178 22 150 1.4 20 2455 124 52.2 3400
HJN.50.2820A 1.15 25 2444.1 99 65.3
16 HJN.50.3120 3400 2840 200 3310 2930 54 36 6 3123 3117 178 22 150 1.4 22 2722.5 125 57.4 4000
HJN.50.3120A 1.4 25 2719 110 65.3
17 HJN.50.3580 3920 3240 240 3820 3340 60 40 6 3583 3577 218 22 190 1.4 22 3118.4 143 72.7 6700
HJN.50.3580A 1.4 25 3118.8 126 82.6
18 HJN.50.4030 4370 3690 240 4270 3790 66 40 6 4033 4027 218 22 190 1.4 22 3558.3 163 53.6 7700
HJN.50.4030A 1.4 28 3549 128 68.2
19 HJN.50.4540 4860 4210 240 4760 4310 72 40 6 4543 4537 218 22 190 1.4 22 4042.2 185 72.1 8760
HJN.50.4540A 1.4 30 4042.4 136 99.1

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