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Flange drill bushings DIN 172 / SS 719

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.

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