No oil groove
No oil groove
Oil groove
Oil groove
LEADER BUSHINGS –WITH HEAD/NON-OIL GROOVE TYPE–
LEADER BUSHINGS −STRAIGHT/NON-OIL GROOVE TYPE−
Suitable
Suitable
Leader pins/Support pins
Straight leader bushings
Leader pins/Support pins
Leader bushings with head
GBBM
GBAM
L 2
3
3
t
G
G
Introduction
1.6
1.6
Introduction details
Introduction
Introduction details
G
G
1.6
1.6
ℓ
ℓ
0 －
T
0.2
－ 0.8 － 1.2
－ 0.8 － 1.2
L
G6 d
L
d
G6
M Material SUJ2 H Hardness 58HRC–
M Material SUJ2 H Hardness 58HRC–
ℓ L15 L20 L25 L30 L35 L40 L45 L50 L60 L70 L80 L90 L100 L110 L120 L130 L140 L150
ℓ L15 L20 L25 L30 L35 L40 L45 L50 L60 L70 L80 L90 L100 L110 L120
D m5
d G6
T
H
d G6
t
D m5
8
12 14 18 20
14 151515 – – – 16 15 20 20 20 20 20
+ 0.014 + 0.005 + 0.017 + 0.006
8
12 14 18 20 25 30 35 40 42 45 48 55 70 80
15 15 15 – – – 15 20 20 20 20 20 15 20 25 25 25 25 15 20 25 25 25 25
+ 0.014 + 0.005 4
– –
+ 0.015 + 0.007
+ 0.015 + 0.007
10 12 13 16 20 25 28 30 32 35 40 50 60
10 12 13 16 20 25 28 30 32 35 40 50 60
–
5
–
–
22 15 20 25 25 25 25 25 25 25 15 20 25 25 25 25 25 25
– – – –
–
– –
– – – –
+ 0.017 + 0.006
25
– – –
+ 0.017 + 0.008
5
+ 0.017 + 0.008
6 25
30 15 20 25 30 35 30 30 30 30
15 20 25 30 35 30 30 30 15 20 25 30 35 40 40 40 40
–
30 35 40 42 45 48 55 70 80
35 15 20 25 30 35 40 40 40 40 40 40 40 40
–
6
40 45 47 50 54 61 76 86
25 30 35 40 45 50 50 50 50 50 50 50 50 30–40–50– – –5656– 56
8
+ 0.020 + 0.007
20 25 30 35 40 45 50 50 50 50 50 50 2025– – –45–56– – – – 20 25 30 35 40 45 50 60 60 60 60 60 2530–40– – – –60– –
+ 0.020 + 0.007
+ 0.020 + 0.009
+ 0.020 + 0.009
30 35 40 45 50 60 60 60 60 60 60 60 60 60 60 – – – – – –606060– – 60– 6060 30 35 40 45 50 60 70 70 70 70 70 70 70 70 70 30 35 40 45 50 60 70 80 80 80 80 80 80 80 80
8
10
– –
–
–
+ 0.025 + 0.009
25 30 35 40 45 50 60 70 70 70 70 70 – 30 35 40 45 50 60 70 80 80 80 80 80 30 35 40 45 50 60 70 80 90 100 100 100 – – – – 50 60 70 80 90 100110120
+ 0.025 + 0.009
9
–
+ 0.024 + 0.011
+ 0.024 + 0.011
40 45 50 60 70 80 90 100 100 100 100 100 100 – – – 60 – 80 90 100 110 120 120 120 120
12
– –
11
+ 0.029 + 0.010
+ 0.029 + 0.010
Part Number Type d
Part Number
L
L
Type d
8 15 20 25 10 15 20 25 30 35 40
8 15 20 25 10 15 20 25 30 35 40 12 15 20 25 30 35 40 13 15 20 25 30 35 40 50 16 15 20 25 30 35 40 45 50 20 15 20 25 30 35 40 45 50 60 25
12 15 20 25 30 35 40 45 50 13 15 20 25 30 35 40 45 50 16 15 20 25 30 35 40 45 50 60 20 15 20 25 30 35 40 45 50 60 70 80 90 100 25
25 30 35 40 45 50 60 70 80 90 100 110 120
20 25 30 35 40 45 50 60 70 80 90 100
GBAM
GBBM
28 30 32 35 40 50 60
30
40
50
90 100
120
28 30 32 35 40 50 60
20 25
45
60
30 35 40 45 50 60 70 80 90 100 110 120 130 140 150
20 25 30 35 40 45 50 60 70 80 90 100
70 80 90
120
140 150
25 30
40
80
30 35 40 45 50 60 70 80 90 100 110 120 130 140 150 30 35 40 45 50 60 70 80 90 100 110 120 130 140 150 40 45 50 60 70 80 90 100 110 120 130 140 150
25 30 35 40 45 50 60 70 80 90 100 110 30 35 40 45 50 60 70 80 90 100 110 120 30 35 40 45 50 60 70 80 90 100 110 120
60
80 90 100 110 120 130 140 150
50 60 70 80 90 100 110 120
■ Stopper for The Straight Leader Bushing Screw plugs are commonly used as a stop- per to hold straight leader bushings in place. The bushing is provided with a groove on its outer circumference where the screw plug is locked in.
Part Number – L GBAM35 – 80
Part Number – L GBBM35 – 80
Order
Example
Order
Quotation
Delivery
Delivery Quotation
Since the screw plug does not directly hold the bushing's thin wall, deflection of its internal diameter can be minimized.
Leader Bushings Internal diameter d
Applicable Screw Plugs MSW 4 MSW 5 MSW 6 MSW 8 MSW10
8/10/12
13/16 20/25 28–40 50/60
825
826
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