mike paulson
Member
i have a 300u which has a worn steering box which i wanna take apart and have gears remachine and bushings made, anyone now of a good machine shop i can send my parts to for this....thanks Mike
- Thread starter mike paulson
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Janicholson
Well-known Member
Finding a good gear to replace the worn gears is probably less expesive and higher reliability. The bushings are available for the Bolster shaft and rear of box at the horizontal shaft. The ball bearing is common and found at Motion Industries, or other bearing store. Accept only a Deep groove bearing, not one that matches the size. The bearing numbers on it are good.
Jim
Jim
mike paulson
Member
hey ken, imma lookin for the oldhokie, thanks for the pointer..
Janicholson
Well-known Member
Standard Ball bearings have inner and outer races that cover about 1/5th of the ball diameter in the groove of the race. A Deep groove series covers about 25% to 28% of the ball diameter in the groove depth.
The difference is that the Standard bearing is not rated for axiel thrust loads, only radial loads, with incidental thrust levels.
A deep groove bearing is able to deal with substantial axial loads in combination with Radial loads. The front bearing in a Farmall steering gearbox (several models with this same fundamental design, beyond H and M series.) use this bearing as the sole thrust control on the worm! Jim
The difference is that the Standard bearing is not rated for axiel thrust loads, only radial loads, with incidental thrust levels.
A deep groove bearing is able to deal with substantial axial loads in combination with Radial loads. The front bearing in a Farmall steering gearbox (several models with this same fundamental design, beyond H and M series.) use this bearing as the sole thrust control on the worm! Jim
mike paulson
Member
hey Janicholson, finding good gears is something i havent been able to do yet, if you hear of something please shoot me an e-mail at
[email protected]
[email protected]
Not sure exactly what the inards of a 300 steering box look like - but if it's not too hard to get into, you may want to consider changing out just the bearings/bushings and see how it goes with the original gear.
A little play in a bearing or two can make it feel like there's a lot of slop in gears. You may find they're worn a lot less than you think.
A little play in a bearing or two can make it feel like there's a lot of slop in gears. You may find they're worn a lot less than you think.
mike paulson
Member
you have a point there JR, the bearing are available but the bushing have to be machined. i would feel much better knowing i had a good machinist ready for me before i start to rip the box down, this way i wont get stuck and have to put a box back together with the same worn parts..
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