Nortrac XT20 - Seals of the Tractor Chassis

76
Sequence
No.
Code Bearing Code Name of Bearing Installation Position Quantity
688711（for double
-action clutch）
20 GB/T 5846 K202417
Rolling needle
bearing
Transfer-case idle shaft 2
21 GB/T 5846 K253120
Rolling needle
bearing
Transfer-case output shaft 2
22 GB/T 5846 K283327
Rolling needle
bearing
～ Gear of driven gear 2
23 GB/T 5846 K303527
Rolling needle
bearing
Range stationary gear 2
24 GB/T 292 7206AC
Angular contact
ball bearing
Internal end of front drive shaft 2
25 GB/T 292 7208AC
Angular contact
ball bearing
External end of front drive shaft 2
26 GB/T 297 32007
Tappered roller
bearing
Middle part of driving bevel gear
shaft
1
27 GB/T 297 32010
Tappered roller
bearing
Front axle differential carrier 2
28 GB/T 297 32207
Tappered roller
bearing
Front end of driving bevel gear
shaft
1
IV gear of driving gear 1
29 GB/T 5846 K424822
Rolling needle
bearing
III gear of driving gear 1
10.4 Tractor Chassis Sealing Member
Table 10-4 Schedule of Tractor Chassis Sealing Member
Part Specification Installation Position Quantity
B35×55×8 Front end of the first shaft 2
FB35×55×8
Inside the bearing cap of
power take-off shaft
2
B50×72×8 Outer flank of drive shaft 6
GB/T 9877.1
Self-seal packing for
revolving shaft
B55×75×8 Inner flank of drive shaft 4
JB/T2600
reinforced seal
PD50×80×12 Final drive driving gear shaft 2
11.8×1.8G PTO shift fork shaft 1
15×2.65G
Differential lock declutch
shift shaft
1
22.4×2.65G Reverse gear shaft 1
28×3.55G Final drive driving gear shaft 2
67×3.55G 2
nd
-shaft front bearing saddle 1
103×3.55G Rear-axle bearing saddle 2
Gearbox
GB/T3452.1
O-rings
112×3.55G Drive shaft sleeve 2
Brake GB/T3452.1
O-rings
15×2.65G Brake camshaft 2
Vertical shaft oil seal
40×48×6.5
Lower end of steering
knuckle
2
Non standard (see the
drawing)
Half shaft oil seal
38×74×11.5
Front wheel hub
2
Front shaft
GB/T3452.1
O-rings
30×3.55G
Upper ends of left and right
steering knuckles
2