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RUD "WBG-V" & "WBG" Swivel Load Rings, Rotating Lifting Eye Bolts. Metric & Imperial Thread - Range from 300kg to 35,000kg

Model:  RUD WBG / WBG-V / SLR-55

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Guide Price £ 65.38  
Part N°: 55-1671808   Add to Quote Request

Swivel Load Rings - RUD WBG-V / WBG.

Rud wbg swivel load ring

The lifting ring for turning operations

The heavy duty lifting rings >WBG-V< and >WBG< have a ball-bearing swivel and are suitable for turning and tilting of loads.

Simple assembly, only one tapped hole is required. Available with different thread lengths.

Load Charts - Mertic and Imperial

Load Capacities - Metric - Table 1

Method of lift Load Method 1 Load Method 2 Load Method 3 Load Method 4 Load Method 5 Load Method 6 Load Method 7 Load Method 8
Number of legs 1 1 2 2 2 2 2 3 and 4 3 and 4 3 and 4
Angle of inclination <ß 90° 90° 0-45° 45-60° unsymm. 0-45° 45-60° unsymm.
Factor - 1 - 2 1,4 1 1 2,1 1,5 1
Type Thread WLL in metric tonnes, bolted and adjusted to the direction of pull
WBG-V 0,3 M 8 / 5/16"-18UNC 0,6 0,3 (0,4) 1,2 0,6 (0,8) 0,42 (0,56) 0,3 (0,4) 0,3 (0,4) 0,63 (0,84) 0,45 (0,6) 0,3 (0,4)
WBG-V 0,45 M 10 / 3/8"-16UNC 0,9 0,45 (0,6) 1,8 0,9 (1,2) 0,63 (0,84) 0,45 (0,6) 0,45 (0,6) 0,95 (1,26) 0,68 (0,9) 0,45 (0,6)
WBG-V 0,6 M 12 / 1/2"-13UNC 1,2 0,6 (0,75) 2,4 1,2 (1,5) 0,84 (1,05) 0,6 (0,75) 0,6 (0,75) 1,26 (1,58) 0,9 (1,12) 0,6 (0,75)
WBG-V 1,0 M 14 2,0 1,0 (1,25) 4,0 2,0 (2,5) 1,4 (1,75) 1,0 (1,25) 1,0 (1,25) 2,1 (2,62) 1,5 (1,87) 1,0 (1,25)
WBG-V 1,3 M 16 / 5/8"-11UNC 2,6 1,3 (1,5) 5,2 2,6 (3) 1,82 (2,1) 1,3 (1,5) 1,3 (1,5) 2,73 (3,15) 1,95 (2,25) 1,3 (1,5)
WBG-V 1,8 M 18 3,6 1,8 (2) 7,2 3,6 (4) 2,5 (2,8) 1,8 (2) 1,8 (2) 3,78 (4,2) 2,7 (3) 1,8 (2)
WBG-V 2,0 M 20 / 3/4"-10UNC 4 2 (2,5) 8 4 (5) 2,8 (3,5) 2 (2,5) 2 (2,5) 4,2 (5,25) 3 (3,75) 2 (2,5)
WBG-V 3,5 M 24 / 1"-8UNC 7 3,5 (4) 14 7 (8) 4,9 (5,6) 3,5 (4) 3,5 (4) 7,35 (8,4) 5,25 (6) 3,5 (4)
WBG-V 5,0 M 30 / 1 1/4"-7UNC 10 5 (6) 20 10 (12) 7 (8,4) 5 (6) 5 (6) 10,5 (12,6) 7,5 (9) 5 (6)
WBG 6 M 33 / 1 3/8 " 12,5 6 (7,5) 25 12 (15) 8,4 (10,5) 6 (7,5) 6 (7,5) 12,6 (15,75) 9 (11,25) 6 (7,5)
WBG 8 M 36 / M 39 / 1½" 12,5 8 (10) 25 16 (20) 11,2 (14) 8 (10) 8 (10) 16,8 (21) 12 (15) 8 (10)
WBG 10 M 42 - M 52 / 2" 16 10 (12,5) 32 20 (25) 14 (17,5) 10 (12,5) 10 (12,5) 21 (26,2) 15 (18,8) 10 (12,5)
WBG 15 M 56 - M 68 / 2½" 25 15 (18) 50 30 (36) 21 (25,2) 15 (18) 15 (18) 31,5 (38) 22,5 (27) 15 (18)
WBG 25 M 72 - M 76 / 23/4 " 35 25 (30) 70 50 (60) 35 (42) 25 (30) 25 (30) 52,5 (63) 37,5 (45) 25 (30)
WBG 30 M 80 - M 85 / 3" 35 30 (35) 70 60 (70) 42 (49) 30 (35) 30 (35) 63 (73,5) 45 (52,5) 30 (35)
WBG 35 M 90-M 150 / 3½"-5" 35 35 (40) 70 70 (80) 49 (56) 35 (40) 35 (40) 73,5 (84) 52,5 (60) 35 (40)

Load Capacities - Imperial - Table 3

Method of lift Load Method 1 Load Method 2 Load Method 3 Load Method 4 Load Method 5 Load Method 6 Load Method 7 Load Method 8
Number of legs 1 1 2 2 2 2 2 3 and 4 3 and 4 3 and 4
Angle of inclination <ß 90° 90° 0-45° 45-60° unsymm. 0-45° 45-60° unsymm.
Factor - 1 - 2 1,4 1 1 2,1 1,5 1
Type Thread WLL in imperial lbs, bolted and adjusted to the direction of pull
WBG-V 0,3 M 8 / 5/16"-18UNC 1320 660 (880) 2640 1320 (1760) 925 (1230) 660 (880) 660 (880) 1385 (1850) 990 (1320) 660 (880)
WBG-V 0,45 M 10 / 3/8"-16UNC 1980 990 (1320) 3960 1980 (2640) 1385 (1850) 990 (1320) 990 (1320) 2090 (2770) 1495 (1980) 990 (1320)
WBG-V 0,6 M 12 / 1/2"-13UNC 2640 1320 (1650) 5280 2640 (3300) 1850 (2310) 1320 (1650) 1320 (1650) 2770 (3475) 1980 (2465) 1320 (1650)
WBG-V 1,0 M 14 4400 2200 (2750) 8800 4400 (5500) 3080 (3850) 2200 (2750) 2200 (2750) 4650 (5750) 3300 (4125) 2200 (2750)
WBG-V 1,3 M 16 / 5/8"-11UNC 5720 2860 (3300) 11440 5720 (6600) 4000 (4620) 2860 (3300) 2860 (3300) 6000 (6930) 4290 (4950) 2860 (3300)
WBG-V 1,8 M 18 7900 3960 (4400) 15840 7900 (8800) 5500 (6160) 3960 (4400) 3960 (4400) 8320 (9240) 5940 (6600) 3960 (4400)
WBG-V 2,0 M 20 / 3/4"-10UNC 8800 4400 (5500) 17600 8800 (11000) 6160 (7700) 4400 (5500) 4400 (5500) 9240 (11550) 6600 (8250) 4400 (5500)
WBG-V 3,5 M 24 / 1"-8UNC 15400 7700 (8800) 30800 15400 (17600) 10780 (12320) 7700 (8800) 7700 (8800) 16170 (18480) 11550 (13200) 7700 (8800)
WBG-V 5,0 M 30 / 1 1/4"-7UNC 22000 11000 (13200) 44000 22000 (26400) 15400 (18480) 11000 (13200) 11000 (13200) 23100 (27720) 16500 (19800) 11000 (13200)
WBG 6 M 33 / 1 3/8 " 27500 13200 (16500) 55000 29000 (33000) 18500 (23100) 13200 (16500) 13200 (16500) 27700 (34650) 19800 (24750) 13200 (16500)
WBG 8 M 36 / M 39 / 1½" 27500 17600 (22000) 55000 35200 (44000) 24640 (30800) 17600 (22000) 17600 (22000) 36960 (46200) 26400 (33000) 17600 (22000)
WBG 10 M 42 - M 52 / 2" 35200 22000 (27500) 70400 44000 (55000) 30800 (38500) 22000 (27500) 22000 (27500) 46200 (57640) 33000 (41360) 22000 (27500)
WBG 15 M 56 - M 68 / 2½" 55000 33000 (39600) 110000 66000 (79200) 46200 (55440) 33000 (39600) 33000 (39600) 69300 (83600) 49500 (59400) 33000 (39600)
WBG 25 M 72 - M 76 / 23/4 " 77000 55000 (66000) 154000 110000 (132000) 77000 (92400) 55000 (66000) 55000 (66000) 115500 (138600) 82500 (99000) 55000 (66000)
WBG 30 M 80 - M 85 / 3" 77000 66000 (77000) 154000 132000 (154000) 92400 (108000) 66000 (77000) 66000 (77000) 138600 (160000) 99000 (115000) 66000 (77000)
WBG 35 M 90-M 150 / 3½"-5" 77000 77000 (88000) 154000 154000 (176000) 108000 (123000) 77000 (88000) 77000 (88000) 160000 (185000) 115000 (132000) 77000 (88000)

Technical Specifications - Metric and Imperial

Metric Measurements - Table 2

Rud v-wbg - wbg swivel load ring dimensions
Type WLL (t) weight (kg) A (mm) B C ØD E F F vario G M N SW Thread Pitch (mm) torque F F Vario
WBG-V 0,3 - M 8 0,3 (0,4) 0,25 8 33 29 36 76 13 8 - 102 36 8 18 28 1.25 10 Nm 7103720 8600330
WBG-V 0,45 - M 10 0,45 (0,6) 0,3 8 33 29 36 78 17 10 - 122 38 10 19 30 1.5 10 Nm 7103715 8600331
WBG-V 0,6 - M 12 0,6 (0,75) 0,5 10 51 35 42 105 21 12 - 140 45 12 19 36 1.75 10 Nm 7100180 8600332
WBG-V 1,0 - M 14 1,0 (1,25) 0,6 13 47 38 48 112 21 14 - 65 54 14 28 41 2 25 Nm - 8600337
WBG-V 1,3 - M 16 1,3 (1,5) 0,6 13 47 38 48 112 25 16 - 180 54 16 28 41 2 30 Nm 7100430 8600333
WBG-V 1,8 - M 18 1,8 (2,0) 1,1 13 56 35 64 135 33 18 - 83 65 18 30 55 2.5 50 Nm - 8600338
WBG-V 2,0 - M 20 2,0 (2,5) 1,1 13 56 35 64 135 33 20 - 223 65 20 30 55 2.5 70 Nm 7100800 8600334
WBG-V 3,5 - M 24 3,5 (4,0) 2,7 18 68 40 81 172 40 24 - 255 87 24 25 70 3 150 Nm 7100640 8600335
WBG-V 5,0 - M 30 5,0 (6,0) 5,5 22 93 50 99 220 50 30 - 330 105 30 32 85 3.5 225 Nm 7100650 8600336
WBG 6 - special 6 (7,5) - 22 87 50 90 210 - 50 - 300 99 33 - 80 - 350 Nm - 8600150
WBG 8 - M 36 8 (10) 5,6 22 87 50 90 210 54 - 99 36 - 80 4 410 Nm 51872 -
WBG 8 - special 8 (10) - 22 87 50 90 210 - 50 - 300 99 36-39 - 80 - 410 Nm - 8600151
WBG 10 - M 42 10 (12,5) 6,1 26 112 65 98 240 63 - 100 42 - 85 4.5 550 Nm 51874 -
WBG 10 - M 48 10 (12,5) 6,2 26 112 65 98 240 68 - 100 48 - 85 5 550 Nm 51930 -
WBG 10 - special 10 (12,5) - 26 112 65 98 240 - 60 - 300 100 42-52 - 85 - 550 Nm - 8600152
WBG 15 - M 56 15 (18) 10,5 32 120 70 120 280 84 - 130 56 - 95 5.5 800 Nm 51941 -
WBG 15 - M 64 15 (18) 11,5 32 120 70 120 280 95 - 130 64 - 95 6 800 Nm 7100406 -
WBG 15 - special 15 (18) - 32 120 70 120 280 - 80 - 300 130 56-68 - 95 - 800 Nm - 8600153
WBG 25 - M 72 25 (30) 27,0 40 125 80 160 332 108 - 163 72 - 130 6 1200 Nm 7990332 -
WBG 25 - special 25 (30) - 40 125 80 160 332 - 100-300 163 72-76 - 130 - 1200 Nm - 8600155
WBG 30 - M 80 30 (35) 28,7 40 125 80 170 332 120 - 163 80 - 130 6 1500 Nm 7990333 -
WBG 30 - special 30 (35) - 40 125 80 170 332 - 100-300 163 80-85 - 130 - 1500 Nm - 8600156
WBG 35 - M 90 35 (40) 29,2 40 125 80 170 332 135 - 163 90 - 130 6 2000 Nm 7985363 -
WBG 35 - special 35 (40) - 40 125 80 170 332 - 100 - 300 163 90-150 - 130 - 2000 Nm - 8600154

Imperial Measurements - Table 4

Rud v-wbg - wbg swivel load ring dimensions
Type WLL (t) weight (kg) A (mm) B C ØD E F F vario G M SW torque F F Vario
WBG-V 0,3-5/16"-18UNC 0,3 (0,4) 0,25 8 33 29 36 76 13 - 36 5/16" 28 10 Nm 7991090 -
WBG-V 0,45-3/8"-16UNC 0,45 (0,6) 0,3 8 33 29 36 78 17 - 38 3/8" 30 10 Nm 7991091 -
WBG-V 0,6-1/2"-13UNC 0,6 (0,75) 0,5 10 51 35 42 105 21 - 45 1/2" 36 10 Nm 7991092 -
WBG-V 1,3-5/8"-11UNC 1,3 (1,5) 0,6 13 44 38 48 112 30 - 54 5/8" 41 30 Nm 7991093 -
WBG-V 2,0-3/4"-10UNC 2,0 (2,5) 1,1 13 56 35 64 135 33 - 65 3/4" 55 70 Nm 7991094 -
WBG-V 3,5-1"-8UNC 3,5 (4,0) 2,7 18 68 40 81 172 40 - 87 1" 70 150 Nm 7991095 -
WBG-V 5,0-11/4"-7UNC 5,0 (6,0) 5,5 22 93 50 99 220 50 - 105 1 1/4" 85 225 Nm 7991096 -
WBG 6 - special 6 (7,5) - 22 87 50 90 210 - 50-300 99 1 3/8" 80 350 Nm - 8600150
WBG 8 - special 8 (10) - 22 87 50 90 210 - 50-300 99 1 1/2" 80 410 Nm - 8600151
WBG 10 - special 10 (12,5) - 26 112 65 98 240 - 60-300 100 1 3/4" - 2" 85 550 Nm - 8600152
WBG 15 - special 15 (18) - 32 120 70 120 280 - 80-300 130 2 1/4" - 2 1/2" 95 800 Nm - 8600153
WBG 25 - special 25 (30) - 40 125 80 160 332 - 100-300 163 2 3/4" 130 1200 Nm - 8600155
WBG 30 - special 30 (35) - 40 125 80 170 332 - 100-300 163 3" 130 1500 Nm - 8600156
WBG 35 - special 35 (40) - 40 125 80 170 332 - 100-300 163 3 1/2" - 5" 130 2000 Nm - 8600154

User Instructions

1. Reference should be made to German Standards accord. BGR 500 or other country specific statutory regulations and inspections are to be carried out by competent persons only.

2. Before installation and every use, inspect visually RUD lifting points, paying particular attention to any evidence of corrosion, wear, weld cracks and deformations. Please ensure compatibility of bolt thread and tapped hole.

3. The material construction to which the lifting point will be attached should be of adequate strength to withstand forces during lifting without deformation. The German testing authoritiy BG, recommends the following minimum for the bolt lengths:
1 x M in steel (min. quality S235JR [1.0037])
1.25 x M in cast iron (e.g. GG25)
2 x M in aluminium
2.5 x M in aluminium-magnesium alloys
(M = thread Ø, e.g. M 20)
When lifting light metals, nonferrous metals and gray cast iron the thread has to be chosen in such a way that the WLL of the thread corresponds to the requirements of the corresponding base material.

4. The lifting points must be positioned to the load in such a way that movements are avoided during lifting.
a.) For single leg lifts, the lifting point should be vertically above the centre of gravity of the load.
b.) For two leg lifts, the lifting points must be equidistant to/or above the centre of gravity of the load.
c.) For three and four leg lifts, the lifting points should be arranged symmetrical around the centre of gravity, in the same plane if possible.

5. Load symmetry:
The required WLL of the individual RUD lifting point are calculated using the following formula and are based on symmetrical loading:

WLL =
       G       
n x cos ß
WLL = Working Load Limit
G = Load Weight (kg)
n = Number of load bearing legs
ß = Angle of inclination of the chain to the vertical

The calculation of load bearing legs is as follows:

No. Legs Symmectrical Asymmetrical
Two Leg 2 1
Three / Four Leg 3 2

(See Table 1 and 2 for metric and 3 and 4 for imperial on the Load Charts and Technical Specifications tabs above.)

6. Drill and tap the workpiece so that the WBG is installed perpendicular to the surface of the work piece. The workpiece surface must be flat, providing complete contact for the WBG ball bearing house.
Countersink the tapped hole (Nom. dia of thread + 4 mm).

7. Due to the ball bearing it is sufficient to tighten by hand with a spanner, without using a bar. For a long term application the WBG-V / WBG should be tightened with torque according table 2 or 4 (+/- 10%).

8. The WBG-V/WBG is designed to rotate and turn the load, therefore the lifting point can engage any position. That's why the WLL is embosed for the worst case situation which which can happen (Picture X)
The ring can be manually adjusted to direction of pull (Picture Y). Then the values in the brackets can be used.
Load Ring Picture X, Y and Z

9. All fittings connected to the WBG-V / WBG should be free moving.
Also the lifting ring must be free moveable and should not be used over sharp corners.
When connecting and disconnecting the lifting means (sling chain), pinches and impacts should be avoided. Damage of the lifting means caused by sharp edges should be avoided as well.

10. With shock loadings, twisting or vibrations, especially with through bore-hole and nuts, an unintentional dismounting may occur.
Possibilities of securing: liquid means such as Loctite (respect manufacturer´s recommendations) or form closed bolt securing such as crown nut, counter nut etc.

11. Effects of temperature:
Due to the greasing we recommand to use the WBG-V/WBG not in overheated areas. If this cannot be avoided please take the reduced WLL into consideration.
-40° to 100°C no reduction -40°F to 212°F
100° to 200°C minus 15% 212°F to 392°F
200° to 250°C minus 20% 392°F to 482°F
250° to 350°C minus 25% 482°F to 662°F
Temperatures above 350°C (662°F) are not permitted.

12. RUD-Lifting points must not be used under chemical influences such as acids, alkaline solutions and vapours e.g. in pickling baths or hot dip galvanizing plants. If this cannot avoided, please contact the manufacturer indicating the concentration, period of penetration and temperature of use.

13. The places where the lifting points are fixed should be marked with colour.

14. The WBG-V can be supplied with variable thread sizes (see F vario table 2) and metric variations with washers and crack-detected nuts.
The assembly or modification of the bolt should only be done by RUD or authorized persons.

15. After fitting, an annual inspection, or sooner if conditions dictate, should be undertaken by a competent person examining the continued suitability. Also after damage and special occurrences.

Inspection criteria concerning paragraphs 2 and 15:

  • Ensure correct bolt and nut size, quality and length.
  • Ensure compatibility of bolt thread and tapped hole.
  • The lifting point should be complete.
  • The working load limit and manufacturers stamp should be clearly visible.
  • Deformation of the component parts such as body, load ring, bolt or threaded bolt.
  • Mechanical damage, such as notches, particularly in high stress areas.
  • Wear should be no more than 10% of cross sectional diameter.
  • Evidence of corrosion.
  • Evidence of cracks.
  • Damage to the bolt, nut and/or thread.
  • On the WBG-V/WBG the ring must always rotate smoothly.
  • The WBG-V/WBG should only be used within its WLL.
    See chart.
  • The max. gap between the upper and lower parts of the WBG-V/WBG should not be exceeded:
    WBG-V 0.3 up to 0.45: max. 1.2 mm
    WBG-V 0.6 up to 2.0: max. 1.5 mm
    WBG-V 3.5 up to 5.0: max. 3.0 mm
    WBG 6 up to 35: max. 4.0 mm
Attention: The WBG-V/WBG is not suitable for prolonged turning application !
A non-adherence to this advice may result damages of persons and/or materials!

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