TB41 Turbocharger's Technical Data
Technical data for Model TB41 by Garrett | ||||
|---|---|---|---|---|
| Tolerances | ||||
| Part | Inches | Millimeters | ||
| Min. | Max. | Min. | Max. | |
| Compressor wheel | ||||
| Bore diameter | 0,2498 | 0,2501 | 6,3450 | 6,3530 |
| Back plate | ||||
| Piston ring bore diameter | 0,4995 | 0,5005 | 12,6870 | 12,7130 |
| Bearing housing | ||||
| Piston ring bore diameter | 0,7090 | 0,7110 | 18,0100 | 18,0600 |
| Bearing bore diameter | 0,6220 | 0,6223 | 15,7990 | 15,8060 |
| Oil seal ring gap | 0,0080 | 0,0150 | 0,2000 | 0,3800 |
| Shaft and wheel | ||||
| Piston ring groove width | 0,0645 | 0,0685 | 1,6380 | 1,7400 |
| Journal diameter | 0,3997 | 0,4000 | 10,1520 | 10,1600 |
| Seal hub diameter | 0,6790 | 0,6840 | 17,2500 | 17,3700 |
| Eccentricity of small diameter | 0,0000 | 0,0005 | 0,0000 | 0,0130 |
| Thrusth collar | ||||
| Thrust bearing groove width | 0,1740 | 0,1748 | 4,4200 | 4,4400 |
| Piston ring groove width | 0,6380 | 0,6530 | 1,6210 | 1,6590 |
| Diameter (I.D.) | 0,2501 | 0,2505 | 6,3530 | 6,3630 |
| Thrust bearing groove diameter | 0,3700 | 0,3800 | 9,4000 | 9,6500 |
| Piston ring groove diameter | 0,4050 | 0,4100 | 10,2900 | 10,4100 |
| Parallelism between faces | 0,0001 | 0,0030 | ||
| Clearances | ||||
| Part | Inches | Millimeters | ||
| Min. | Max. | Min. | Max. | |
| Rotor | ||||
| Axial end play | 0,0050 | 0,0040 | 0,0250 | 0,1020 |
| Radial bearing clearance | 0,0030 | 0,0065 | 0,0760 | 0,1650 |
| Torques | ||||
| Part | Pounds per Inch | Newtons per meter | ||
| Min. | Max. | Min. | Max. | |
| Bolts | ||||
| compressor housing | 110,0 | 130,0 | 12,4 | 14,7 |
| turbine housing | 100,0 | 130,0 | 11,3 | 14,7 |
| backplate | 75,0 | 90,0 | 8,5 | 10,2 |
| Shaft nut | ||||
| 1st - Tighten to | 18,0 | 20,0 | 2,0 | 2,3 |
| 2nd - Plus additional turn of 125º | ||||