SR/SUR Plain segmented chain wheels

Plain segmented chain wheels for use with HV and DS - round steel chains resp. chain ends acc. to DIN 764 and DIN 766. Drive - and tail wheels with replaceable segments made from high resistant chilled cast iron; hardness 400 - 450 HB30; many times the service life of gray cast wheels. The segments can be replaced without demounting the chain. Chain wheels SR are used for back mounted buckets; Chain wheels SUR are used for back mounted buckets as well side mounted buckets with chain shackles acc. to DIN 5699. Hubs are made from gray cast GGN without cleaning slots resp. steel hub STN with cleaning slots. The max. bore diameter is limited for gray cast hubs GGN and has to be specified; for larger bore diameters steel hubs STN must be used. Bore diameter and key size as specified by the customer.

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Specification table

Type No. of segments b
[inch]
b
[mm]
c
[inch]
c
[mm]
B
[inch]
B
[mm]
e
[inch]
e
[mm]
f
[inch]
f
[mm]
g
[inch]
g
[mm]
h
[inch]
h
[mm]
k
[inch]
k
[mm]
Weight without cleaning slots
[lbs/pc.]
Weight without cleaning slots
[kg/pc.]
Weight with cleaning slots
[lbs/pc.]
Weight with cleaning slots
[kg/pc.]
SR 13/500* 8** 0.71 18 2.05 52 3.54 90 3.94 100 2.20 56 2.36 60 1.22 31 2.32 59 136.69 62 119.05 54
SR 16/500* 8** 0.87 22 2.44 62 3.94 100 3.94 100 2.44 62 2.60 66 1.34 34 2.60 66 136.69 62 119.05 54
SR 16/630 12 0.87 22 2.44 62 4.72 120 6.30 160 2.44 62 2.60 66 1.34 34 2.60 66 297.62 135 264.55 120
SR 16/710 12 0.87 22 2.44 62 5.12 130 6.30 160 2.91 - 3.15 - 1.73 - 2.76 - 429.90 195 385.81 175
SR 16/800 12 0.87 22 3.78 96 5.20 132 6.30 160 2.91 - 3.15 - 1.73 - 3.19 - 573.20 260 529.11 240
SR 20/500* 8** 1.10 28 3.15 80 4.65 118 3.94 100 2.91 74 3.15 80 1.73 44 3.19 70 154.32 70 132.28 60
SR 20/630* 12 1.10 28 3.15 80 5.12 130 6.30 160 3.31 74 3.54 80 1.93 44 3.39 81 308.65 140 275.58 125
SR 20/710* 12 1.10 28 3.15 80 5.12 130 6.30 160 3.31 74 3.54 80 1.93 44 3.39 81 440.92 200 396.83 180
SR 23/630 12 1.18 30 3.54 90 5.51 140 6.30 160 3.70 - 3.94 - 2.13 - 3.58 - 319.67 145 286.60 130
SR 23/710* 12 1.18 30 3.54 90 5.51 140 6.30 160 3.70 84 3.94 90 2.13 49 3.58 86 440.92 200 396.83 180
SR 23/800* 12 1.18 30 3.54 90 5.51 140 6.30 160 4.49 84 4.72 90 2.48 49 4.02 86 584.22 265 540.13 245
SR 23/900 12 1.18 30 3.74 95 5.71 145 7.48 190 4.49 - 4.72 - 2.48 - 4.02 - 749.57 340 716.50 325
SR 23/1000 12 1.18 30 4.09 104 5.51 140 7.87 200 4.49 - 4.72 - 2.48 - 4.02 - 947.99 430 914.92 415
SR 26/710 12 1.34 34 4.49 114 6.46 164 6.30 160 - 5.31 - 2.68 - 4.17 - 485.02 220 440.92 200
SR 26/800* 12 1.34 34 4.33 110 6.30 160 6.30 160 94 100 54 91 595.25 270 551.16 250
SR 26/900* 16 1.34 34 4.33 110 6.69 170 7.48 190 94 100 54 91 771.62 350 738.55 335
SR 26/1000 16 1.42 36 4.72 120 7.09 180 7.87 200 - - - - 981.06 445 947.99 430
SR 30/900* 16 1.57 40 4.57 116 6.93 176 7.48 190 114 120 63 102 793.66 360 760.59 345
SR 30/1000* 16 1.57 40 4.92 125 7.28 185 7.87 200 114 120 63 102 992.08 450 959.01 435
SR 30/1250* 16 1.57 40 4.92 125 7.28 185 8.66 220 114 120 63 102 1,565 710 1,543 700
SR 36/1250* 16 1.81 46 4.92 125 7.87 200 8.66 220 - 135 68 106 1,631 740 1,609 730
Any other sizes on request.
* For this wheel sizes, type SUR segments without flange can be supplied with gray cast hub GGN or steel hub STN
** Dimensions for SR wheels; for SUR 13/500, SUR 16/500 and SUR 20/500: number of segments = 12 pcs.