Hardness:
HRC 63-65
Tolerances on the bushings:
d1=F7, d2=n6
Bearing seat tolerance:
For press fit in bearing seat tolerance H6 or H7
Selection of the inside diameter:
When using ø8.0 mm drill, for example, drill bushings with a diameter of 8.0 mm are selected
| d1 Tolerance F7 Ø |
d2 Tolerance n6 * Ø |
d3 Ø | l2 | l3 | r |
t1 | t2 | |||
| l short |
l medium |
l long |
||||||||
| 00,40 | 03 | 06 | 06 | – | – | 2,0 | 1,00 | 1,0 | 0,01 | 0,03 |
| 00,50 – 00,60 | – | – | ||||||||
| 00,70 – 00,80 | – | – | ||||||||
| 00,90 – 01,00 | 09 | – | ||||||||
| 01,10 – 01,80 | 04 | 07 | – | |||||||
| 01,90 – 02,60 | 05 | 08 | – | |||||||
| 02,70 – 03,30 | 06 | 09 | 08 | 12 | 16 | 2,5 | ||||
| 03,40 – 04,00 | 07 | 10 | ||||||||
| 04,10 – 05,00 | 08 | 11 | ||||||||
| 05,10 – 06,00 | 10 | 13 | 10 | 16 | 20 | 3,0 | 1,25 | 1,5 | 0,02 | |
| 06,10 – 08,00 | 12 | 15 | ||||||||
| 08,10 – 10,00 | 15 | 18 | 12 | 20 | 25 | 1,50 | 2,0 | |||
| 10,10 – 12,00 | 18 | 22 | 4,0 | |||||||
| 12,10 – 15,00 | 22 | 26 | 16 | 28 | 36 | |||||
| 15,10 – 18,00 | 26 | 30 | ||||||||
| 18,10 – 22,00 | 30 | 34 | 20 | 36 | 45 | 5,0 | 2,50 | 3,0 | ||
| 22,10 – 26,00 | 35 | 39 | 0,05 | |||||||
| 26,10 – 30,00 | 42 | 46 | 25 | 45 | 56 | |||||
| 30,10 – 35,00 | 48 | 52 | 0,04 | |||||||
| 35,10 – 42,00 | 55 | 59 | 30 | 56 | 67 | 3,00 | 3,5 | |||
| 42,10 – 48,00 | 62 | 66 | 6,0 | |||||||
| 48,10 – 55,00 | 70 | 74 | ||||||||
| 55,10 – 63,00 | 78 | 82 | 35 | 67 | 78 | 4,0 | ||||
| 63,10 – 70,00 | 85 | 90 | ||||||||
| 70,10 – 78,00 | 95 | 100 | 40 | 78 | 105 | 0,08 | ||||
| 78,10 – 85,00 | 105 | 110 | ||||||||
| 85,10 – 95,00 | 115 | 120 | 45 | 89 | 112 | |||||
| 95,10 – 105,00 | 125 | 130 | ||||||||
| 105,10 – 115,00 | 140 | 147 | 50 | 100 | – | |||||
| 115,10 – 125,00 | 150 | 157 | – | |||||||
All dimensions in mm
Order example:
With flange: BBF 05,5x10x16-172
I stainless: BBF 05,5x10x16-172 RF (Mtrl DIN 1.4112)
Type B: rounded in both ends changes the price surcharge.
Increase in size inside diameter
All sizes up to inner diameter 14.9 mm can be delivered in every tenth, eg 10.1 – 10.2 – 10.3 and so on. Also every 0.25th mm, eg 10.25 – 10.75 mm and so on. From an inner diameter of 15 mm, the standard pitch is 0.5 mm. If the need is a tenth, etc., a price increase of 50% will be added.