Quick Ref: SOB-2521
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Crosby McKissick UB500 Swivelling Overhaul Balls - Range from 3600kg to 27,000kg

Model:  McKissick UB-500 / SOB-2521

Part N° Model No.* WLL (imperial tons) Weight Each (lbs) Guide Price Quantity
2521-T17852
1036000
MB4T35* 4 58 £  624.00
2521-T17853
1036009
MB4T85* 4 102 £  757.00
2521-T17854
1036027
MB4T150* 4 162 £  997.00
2521-T17855
1036036
MB4T200* 4 201 Quote Required
2521-T17856
1036045
MB7T85* 7 109 £  908.00
2521-T17857
1036054
MB7T150* 7 170 Quote Required
2521-T17858
1036072
MB7T200* 7 210 Quote Required
2521-T17859
1036081
MB7T285* 7 321 Quote Required
2521-T17860
1036090
MB10T150* 10 - Quote Required
2521-T17861
1036099
MB10T200* 10 - Quote Required
2521-T17862
1036117
MB10T285* 10 - Quote Required
2521-T17863
1036126
MB10T350* 10 - Quote Required
2521-T17864
1036135
MB10T650* 10 - Quote Required
2521-T17865
1036144
MB12T150* 12 216 Quote Required
2521-T17866
1036153
MB12T200* 12 259 Quote Required
2521-T17867
1036171
MB12T285* 12 365 Quote Required
2521-T17868
1036180
MB12T350* 12 403 Quote Required
2521-T17869
1036189
MB12T650* 12 718 Quote Required
2521-T17870
1036198
MB15T200* 15 298 Quote Required
2521-T17871
1036207
MB15T350* 15 456 Quote Required
2521-T17872
1036216
MB15T650* 15 753 Quote Required
2521-T17873
1036225
MB15T1150* 15 1311 Quote Required
2521-T17874
1036234
MB20T200* 20 298 Quote Required
2521-T17875
1036243
MB20T350* 20 456 Quote Required
2521-T17876
1036252
MB20T650* 20 753 Quote Required
2521-T17877
1036261
MB20T1150* 20 1311 Quote Required
2521-T17878
1036270
MB25T350 25 533 Quote Required
2521-T17879
1036279
MB25T650 25 865 Quote Required
2521-T17880
1036288
MB25T1150 25 1421 Quote Required
2521-T17881
1036297
MB30T650 30 865 Quote Required
2521-T17882
1036306
MB30T1150 30 1421 Quote Required
Pricing Currency: Add To Quote Request   ?  

Top swivelling overhaul balls.

The top swivel design on the UB500 assures the ball remains stationary if the wire line spins. The swivel incorporates a sealed roller thrust bearing together with a grease fitting for easy lubrication.

  • Sizes 3.6 tonnes through 27 tonnes metric (4 tons through 10 tons imperial) available with Crosby's S1316A "Positive Locking" SHUR-LOC® hook which may be used for lifting personnel. Meets OSHA Rule 1926.550 (g).
  • Design Factor 4:1
  • Each ball can be equipped with the new McKissick® US-422T Wedge Socket which can be easily adjusted to fit
  • various sizes of wire rope by changing the wedge (Ensure that correct wedge is used for selected wire rope size)
  • All hooks used on UB500 Overhaul Balls (S320, S320N, & S1316A) are forged from alloy steel. The S320 & S320N hooks come complete with latches.
  • The S320 hook (PL latch) and the S320N hook (S4320 latch), with proper latch attached, may be used for personnel lifting when secured with proper device (Bolt, nut, and pin for the PL latch; Cotter pin for the S4320 latch). Meet OSHA Rule 1926.550(g).
Mckissick ub500 series top swiveling balls 1

UB 500 Metric Specifications

For imperial specifications and dimensional information please see the 'Imperial Specifications' tab above.

Overhaul Ball Assembly Optional US-422T Wedge Sockets
McKissick® UB500 Model No. UB500 "E" Eye Hook Stock No. UB500 "S" SHUR-LOC® Stock No. Working Load Limit (tonnes)
Weight Each (kg)
Wire Rope Size (mm)

Model No.
Wedge Socket Assy. Stock No.
Weight Each (kg)
Wedge Only Stock No.
Weight Each (kg)
MB4T35
MB4T85
MB4T150
MB4T200
1036000*
1036009*
1036027*
1036036*
1036005
1036018
1036032
1036041
3.6 26.3
46.3
73.5
91.2
10
11
13
13
14
16
16
19
US4T
US4T
US4T
US5T
US5T
US5T
US6T
US6T
1044300
1044309
1044318
1044327
1044336
1044345
1044354
1044363
2.1
2.1
2.1
3.9
3.9
3.9
4.3
4.3
1047310
1047301
1047329
1047338
1047347
1047356
1047365
1047374
0.27
0.27
0.27
0.45
0.45
0.45
0.64
0.64
MB7T85
MB7T150
MB7T200
MB7T285
1036045*
1036054*
1036072*
1036081*
1036050
1036063
1036077
1036086
6.3 49.4
77.1
95.3
146
MB10T150
MB10T200
MB10T285
MB10T350
MB10T650
1036090*
1036099*
1036117*
1036126*
1036135*
1036095
1036108
1036122
1036131
1036140
9 98
118
166
183
326
16
19
22
25
28
32
US6T
US6T
US8T
US8T
US10T
US10T
1044354
1044363
1044404
1044417
1044426
1044435
4.3
4.3
9.4
21.1
21.1
1047365
1047374
1047425
1047431
1047440
1047459
1.0
1.1
2.4
2.7
4.4
4.5
MB12T150
MB12T200
MB12T285
MB12T350
MB12T650
1036144*
1036153*
1036171*
1036180*
1036189*
-
-
-
-
10.8 98
117
166
183
326
MB15T200
MB15T350
MB15T650
MB15T1150
1036198*
1036207*
1036216*
1036225*
-
-
-
-
13.5 135
207
342
595
16
19
22
25
28
32
US8AT
US8AT
US8T
US8T
US10T
US10T
1044372
1044381 1044404
1044417
1044426
1044435
7.9
7.9
9.4
9.4
21.1
21.1
1047383
1047392
1047425
1047431
1047440
1047459
1.4
1.5
2.4
2.7
4.4
4.5
MB20T200
MB20T350
MB20T650
MB20T1150
1036234*
1036243*
1036252*
1036261*
-
-
-
-
18 135
207
342
595
MB25T350
MB25T650
MB25T1150
1036270
1036279
1036288
-
-
-
22.5 242
392
645
MB30T650
MB30T1150
1036297
1036306
-
-
27 392
645

*Hook is New S-320 N Style. Replacement latch kit is S-4320. PL latch and S-4055 latch will not fit.
Standard Crosby S-5 Thrust style swivels can not be used with UB500 Overhaul Balls.
For replacement swivels, contact Crosby customer service.

UB-500E Top Swivel Overhaul Balls with 320 Eye Hooks - Metric Measurements

Dimensional Drawing Model No.* UB-500 "E" Stock No. Dimensions (mm)
A B C D E F G H I J AA
Mckissick ub500e drawing MB4T35* 1036000 510 439 191 34.5 36.6 28.4 47.8 35.1 22.4 33.3 63.5
MB4T85* 1036009 533 461 235 34.5 36.6 28.4 47.8 35.1 22.4 33.3 63.5
MB4T150* 1036027 558 487 286 34.5 36.6 28.4 47.8 35.1 22.4 33.3 63.5
MB4T200* 1036036 568 496 318 34.5 36.6 28.4 47.8 35.1 22.4 33.3 63.5
MB7T85* 1036045 589 517 235 40.9 46.0 35.1 47.8 35.1 22.4 33.3 76.0
MB7T150* 1036054 624 543 286 40.9 46.0 35.1 47.8 35.1 22.4 33.3 76.0
MB7T200* 1036072 632 551 318 40.9 46.0 35.1 47.8 35.1 22.4 33.3 76.0
MB7T285* 1036081 657 576 353 40.9 46.0 35.1 47.8 35.1 22.4 33.3 76.0
MB10T150* 1036090 799 691 286 53.0 57.0 41.1 70.0 51.0 22.4 45.2 102
MB10T200* 1036099 808 700 318 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB10T285* 1036117 832 724 353 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB10T350* 1036126 846 738 381 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB10T650* 1036135 884 776 456 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB12T150* 1036144 799 691 286 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB12T200* 1036153 808 700 318 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB12T285* 1036171 832 724 353 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB12T350* 1036180 846 738 381 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB12T650* 1036189 909 776 456 53.0 57.0 41.1 70.0 51.0 31.8 45.2 102
MB15T200* 1036198 955 828 318 76.5 76.0 60.5 60.5 51.0 31.8 45.2 127
MB15T350* 1036207 986 859 381 76.5 76.0 60.5 60.5 51.0 31.8 45.2 127
MB15T650* 1036216 1022 895 456 76.5 76.0 60.5 60.5 51.0 31.8 45.2 127
MB15T1150* 1036225 1072 945 549 76.5 76.0 60.5 60.5 51.0 31.8 45.2 127
MB20T200* 1036234 955 828 318 76.5 76.0 60.5 60.5 51.0 31.8 45.2 127
MB20T350* 1036243 986 859 381 76.5 76.0 60.5 60.5 51.0 31.8 45.2 127
MB20T650* 1036252 1022 895 456 76.5 76.0 60.5 60.5 51.0 31.8 45.2 127
MB20T1150* 1036261 1072 945 549 76.5 76.0 60.5 60.5 51.0 31.8 45.2 127
MB25T350 1036270 1198 1021 381 76.0 92.0 76.0 84.0 70.0 44.5 45.2 165
MB25T650 1036279 1248 1086 456 76.0 92.0 76.0 84.0 70.0 44.5 45.2 165
MB25T1150 1036288 1297 1135 549 76.0 92.0 76.0 84.0 70.0 44.5 45.2 165
MB30T650 1036297 1248 1086 456 76.0 92.0 76.0 84.0 70.0 44.5 45.2 165
MB30T1150 1036306 1297 1135 549 76.0 92.0 76.0 84.0 70.0 44.5 45.2 165

UB-500S Top Swivel Overhaul Balls with SHUR-LOC® Hooks - Metric Meaurements

Dimensional Drawing Model No. UB500 "S" Stock No. Dimensions (mm)
Mckissick ub500s drawing MB4T35 1036005 525 462 191 46.5 29.2 23.9 47.8 35.1 22.4 33.3
MB4T85 1036018 547 484 235 46.5 29.2 23.9 47.8 35.1 22.4 33.3
MB4T150 1036032 573 509 286 46.5 29.2 23.9 47.8 35.1 22.4 33.3
MB4T200 1036041 582 519 318 46.5 29.2 23.9 47.8 35.1 22.4 33.3
MB7T85 1036050 607 541 235 53.5 42.2 29.5 47.8 35.1 22.4 33.3
MB7T150 1036063 642 566 286 53.5 42.2 29.5 47.8 35.1 22.4 33.3
MB7T200 1036077 650 575 318 53.5 42.2 29.5 47.8 35.1 22.4 33.3
MB7T285 1036086 675 600 353 53.5 42.2 29.5 47.8 35.1 22.4 33.3
MB10T150 1036095 793 691 286 63.0 52.5 38.1 70.0 51.0 31.8 45.2
MB10T200 1036108 803 700 318 63.0 52.5 38.1 70.0 51.0 31.8 45.2
MB10T285 1036122 827 724 353 63.0 52.5 38.1 70.0 51.0 31.8 45.2
MB10T350 1036131 841 738 381 63.0 52.5 38.1 70.0 51.0 31.8 45.2
MB10T650 1036140 879 776 456 63.0 52.5 38.1 70.0 51.0 31.8 45.2

Crosby UB500 Imperial Specifications

For metric specifications and dimensional information please see the main 'Description' tab above.

Overhaul Ball Assembly Optional US-422T Wedge Sockets
McKissick® UB500 Model No. UB500 "E" Eye Hook Stock No. UB500 "S" SHUR-LOC® Stock No. Working Load Limit (tons)
Weight Each (lbs.)
Wire Rope Size (in.)

Model No.
Wedge Socket Assy. Stock No.
Weight Each ( lbs.)
Wedge Only Stock No.
Weight Each (lbs.)
MB4T35
MB4T85
MB4T150
MB4T200
1036000*
1036009*
1036027*
1036036*
1036005
1036018
1036032
1036041
4
4
4
4
58
102
162
201
3/8
7/16
1/2
1/2
9/16
5/8
5/8
3/4
US4T
US4T
US4T
US5T
US5T
US5T
US6T
US6T
1044300
1044309
1044318
1044327
1044336
1044345
1044354
1044363
4.6
4.6
4.6
8.5
8.5
8.5
9.4
9.4
1047310
1047301
1047329
1047338
1047347
1047356
1047365
1047374
0.6
0.6
0.6
1.0
1.0
1.0
1.4
1.4
MB7T85
MB7T150
MB7T200
MB7T285
1036045*
1036054*
1036072*
1036081*
1036050
1036063
1036077
1036086
7
7
7
7
109
170
210
321
MB10T150
MB10T200
MB10T285
MB10T350
MB10T650
1036090*
1036099*
1036117*
1036126*
1036135*
1036095
1036108
1036122
1036131
1036140
10
10
10
10
10
260
365
403
718
5/8
3/4
7/8
1
1-1/8
1-1/4
US6T
US6T
US8T
US8T
US10T
US10T
1044354
1044363
1044404
1044417
1044426
1044435
9.4
9.4
20.8
20.8
46.5
45.5
1047365
1047374
1047425
1047431
1047440
1047459
2.3
2.4
7.6
8.6
12.5
15.0
MB12T150
MB12T200
MB12T285
MB12T350
MB12T650
1036144*
1036153*
1036171*
1036180*
1036189*
-
-
-
-
12
12
12
12
12
216
258
365
403
718
MB15T200
MB15T350
MB15T650
MB15T1150
1036198*
1036207*
1036216*
1036225*
-
-
-
-
15
15
15
15
298
456
753
1311
5/8
3/4
7/8
1
1-1/8
1-1/4
US8AT
US8AT
US8T
US8T
US10T
US10T
1044372
1044381 1044404
1044417
1044426
1044435
17.5
17.5
20.8
20.8
46.5
46.5
1047383
1047392
1047425
1047431
1047440
1047459
4.3
4.8
7.6
8.6
12.5
15.0
MB20T200
MB20T350
MB20T650
MB20T1150
1036234*
1036243*
1036252*
1036261*
-
-
-
-
20
20
20
20
298
456
753
1311
MB25T350
MB25T650
MB25T1150
1036270
1036279
1036288
-
-
-
25
25
25
533
865
1421
MB30T650
MB30T1150
1036297
1036306
-
-
30
30
865
1421

*Hook is New S-320 N Style. Replacement latch kit is S-4320. PL latch and S-4055 latch will not fit.
Standard Crosby S-5 Thrust style swivels can not be used with UB500 Overhaul Balls.
For replacement swivels, contact Crosby customer service.

UB-500E Top Swivel Overhaul Balls with 320 Eye Hooks - Imperial Measurements

Dimensional Drawing Model No.* UB500
“E”
Stock No.
Dimensions
(in.)
A B C D E F G H I J AA
Mckissick ub500e drawing MB4T35* 1036000 20.09 17.27 7.50 1.36 1.44 1.12 1.88 1.38 .88 1.31 2.5
MB4T85* 1036009 20.98 18.16 9.25 1.36 1.44 1.12 1.88 1.38 .88 1.31 2.5
MB4T150* 1036027 21.98 19.16 11.25 1.36 1.44 1.12 1.88 1.38 .88 1.31 2.5
MB4T200* 1036036 22.35 19.53 12.50 1.36 1.44 1.12 1.88 1.38 .88 1.31 2.5
MB7T85* 1036045 23.18 20.36 9.25 1.61 1.81 1.38 1.88 1.38 .88 1.31 3.0
MB7T150* 1036054 24.56 21.36 11.25 1.61 1.81 1.38 1.88 1.38 .88 1.31 3.0
MB7T200* 1036072 24.89 21.71 12.50 1.61 1.81 1.38 1.88 1.38 .88 1.31 3.0
MB7T285* 1036081 25.86 22.67 13.88 1.61 1.81 1.38 1.88 1.38 .88 1.31 3.0
MB10T150* 1036090 31.44 27.19 11.25 2.08 2.25 1.62 2.75 2.00 .88 1.78 4.0
MB10T200* 1036099 31.81 27.56 12.50 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB10T285* 1036117 32.75 28.50 13.88 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB10T350* 1036126 33.31 29.06 15.00 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB10T650* 1036135 34.79 30.54 17.94 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB12T150* 1036144 31.44 27.19 11.25 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB12T200* 1036153 31.81 27.56 12.50 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB12T285* 1036171 32.75 28.50 13.88 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB12T350* 1036180 33.31 29.06 15.00 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB12T650* 1036189 35.79 30.54 17.94 2.08 2.25 1.62 2.75 2.00 1.25 1.78 4.0
MB15T200* 1036198 37.59 32.59 12.50 3.02 3.00 2.38 2.38 2.00 1.25 1.78 5.0
MB15T350* 1036207 38.81 33.81 15.00 3.02 3.00 2.38 2.38 2.00 1.25 1.78 5.0
MB15T650* 1036216 40.22 35.22 17.94 3.0 3.00 2.38 2.38 2.00 1.25 1.78 5.0
MB15T1150* 1036225 42.22 37.22 21.62 3.02 3.00 2.38 2.38 2.00 1.25 1.78 5.0
MB20T200* 1036234 37.59 32.59 12.50 3.02 3.00 2.38 2.38 2.00 1.25 1.78 5.0
MB20T350* 1036243 38.81 33.81 15.00 3.02 3.00 2.38 2.38 2.00 1.25 1.78 5.0
MB20T650* 1036252 40.22 35.22 17.9 3.02 3.00 2.38 2.38 2.00 1.25 1.78 5.0
MB20T1150* 1036261 42.22 37.22 21.62 3.02 3.00 2.38 2.38 2.00 1.25 1.78 5.0
MB25T350 1036270 47.18 40.18 15.00 3.00 3.62 3.00 3.31 2.75 1.75 1.78 6.5
MB25T650 1036279 49.12 42.75 17.94 3.00 3.62 3.00 3.31 2.75 1.75 1.78 6.5
MB25T1150 1036288 51.06 44.69 21.62 3.00 3.62 3.00 3.31 2.75 1.75 1.78 6.5
MB30T650 1036297 49.12 42.75 17.94 3.00 3.62 3.00 3.31 2.75 1.75 1.78 6.5
MB30T1150 1036306 51.06 44.69 21.62 3.00 3.62 3.00 3.31 2.75 1.75 1.78 6.5

UB-500S Top Swivel Overhaul Balls with SHUR-LOC® Hooks - Imperial Measurements

Dimensional Drawing Model No. UB500
“S”
Stock No.
Dimensions
(in.)
A B C D E F G H I J
Mckissick ub500s drawing MB4T35 1036005 20.66 18.18 7.50 1.83 1.15 .94 1.88 1.38 .88 1.31
MB4T85 1036018 21.55 19.05 9.25 1.83 1.15 .94 1.88 1.38 .88 1.31
MB4T150 1036032 22.55 20.05 11.25 1.83 1.15 .94 1.88 1.38 .88 1.31
MB4T200 1036041 22.92 20.42 12.50 1.83 1.15 .94 1.88 1.38 .88 1.31
MB7T85 1036050 23.90 21.30 9.25 2.11 1.66 1.16 1.88 1.38 .88 1.31
MB7T150 1036063 25.28 22.30 11.25 2.11 1.66 1.16 1.88 1.38 .88 1.31
MB7T200 1036077 25.61 22.65 12.50 2.11 1.66 1.16 1.88 1.38 .88 1.31
MB7T285 1036086 26.58 23.61 13.88 2.11 1.66 1.16 1.88 1.38 .88 1.31
MB10T150 1036095 31.24 27.19 11.25 2.49 2.06 1.50 2.75 2.00 1.25 1.78
MB10T200 1036108 31.61 27.56 12.50 2.49 2.06 1.50 2.75 2.00 1.25 1.78
MB10T285 1036122 32.55 28.50 13.88 2.49 2.06 1.50 2.75 2.00 1.25 1.78
MB10T350 1036131 33.11 29.06 15.00 2.49 2.06 1.50 2.75 2.00 1.25 1.78
MB10T650 1036140 34.59 30.54 17.94 2.49 2.06 1.50 2.75 2.00 1.25 1.78
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