BEARING 4T8707 - Caterpillar

Illustration 1 g03758361
Table 1
Specifications for 206-1895 Track Idler Gp
Item Qty Part Specification Description
- - - End play for the track roller shaft is:
Minimum is 0.25 mm (0.010 inch).
Maximum is 1.25 mm (0.049 inch).
1 2 320-8917 Duo-Cone Seal Gp The rubber toric seals and all the contacting surfaces must be clean and dry at assembly. No paint and over spray are not allowed at assembly. Before assembly, apply a thin layer of oil to the contacting surfaces of the metal seal rings. The seal rings must be assembled square. The rubber toric seal should not bulge and the rubber toric seal should not twist. Refer to Special Instruction, SEHS8364, "Assembly and Installation of Conventional Duo-Cone Seals".
A - - Installation depth for installing the stopper assembly below the end of the shaft is 11 7 mm (0.4 0.3 inch).
B - - The clear plug must not be recessed below the surface of the stopper. Clear plug can be extended up to 0 to 5 mm (0.0 to 0.2 inch).
2 2 7J-2036 O-Ring Seal Before assembly, lubricate the bore lightly with lubricant that is being sealed.
3 24 9B-7237 Bolt Torque to 55 10 N m (41 7 lb ft).
C - - Extension of the shaft from the collar on both sides are 50.42 0.13 mm (1.985 0.005 inch).
4 2 4M-0189 O-Ring Seal Before assembly, lubricate the bore lightly with lubricant that is being sealed.
5 2 9P-2245 Bushing Bore after assembly is 108.06 0.02 mm (4.254 0.001 inch).
Installation depth is 20.0 0.5 mm (0.79 0.02 inch).