Heavy duty fifth wheel couplings JSK 50
Pivot bearing.
Suitable for 3 1/2” king pins (90) as per 94/20/EC, DIN 74083,
ISO 4086 and steering wedges as per 94/20/EC, DIN 74085.
Order No. D value
(kN)
Imposed load
U (t)
Kg Approval
EC
JSK 50 300 50 290 e9 00-3023
Item Designation Serial No / Remark Order No Qty per JSK
01 Socket head bolt   SK 2421-08 3
02 Wearing ring, compl. with 01 3 1/2” SK 2421-56 1
03 Nut and bolt   SK 1976 1
04 Lubrication tube   SK 1989-003 1
05 Guide plate to xx90xxxxxx SK 2405-22 1
06 Hexagon bolt, compl.   SK 2421-50 2
07 Spring hook, compl.   SK 1436 1
09 Latch holder, compl. with 10 from xx91xxxxxx SK 2405-084 1
10 Clamping pin   000.003.027 1
11 Spring noose, compl. from xx91xxxxxx SK 2921-30 1
12 Latch, compl. from xx91xxxxxx SK 3121-52 1
13 Hexagon bolt, compl. from xx91xxxxxx SK 3521-03 1
14 Tension spring   SK 2106-01 2
15 Lock jaw 3 1/2” SK 2405-14 1
16 Bolt   SK 2405-18 1
17 Locking bar   SK 2405-01 1
18 Bar bolt, compl.   SK 2121-14 1
19 Double tension spring   SK 2405-23 1
20 Lever   SK 2405-04 1
21 Hexagon bolt, compl.   SK 2421-52 1
22 Bearing   SK 2405-15 1
23 Washer   SK 2405-19 1
24 Spring noose   SK 2405-09 1
25 Hexagon bolt, compl.   SK 2421-53 2
26 Hexagon bolt, compl.   SK 2421-51 1
27 Latch   SK 2405-27 1
28 Handle   SK 2405-066 1
29 Bearing bushing   SK 2805-03 4
30 Cylindrical notched pin   SK 1533 8
31 Pivot pin   SK 2805-01 2
32 Locking bar   SK 2521-05 8
33 Plate   SK 2805-02 2
34 Grease nipple   SK 2521-04 2
35 Pedestal, compl. with 29 + 30 SK 2521-04 2
 
Repair, retrofit and conversion kits
Item Description Order No.
01, 02, 05, 07, 12, 20, 27, 28 Repair kit for lock 3 1/2” SK 2421-76
31, 32, 34 Handle extension retrofit kit, compl. SK 3121-063