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With Operation Key Inserted
D4BL + D4BL-K1
Red
Surface A
Horizontal direction
Operation Key
insertion radius
R ≥ 1200 *1
53.5 min. 57 max.
(20±0.15)
(12)
(41)
Vertical direction
Operation Key
insertion radius
R ≥ 1000 *1
53.5 min. 57 max.
(20±0.15)
(41)
(35)
Note: 1. Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
2. In the above diagrams, the Operation Key is inserted from the front.
*1. The insertion radii apply when the rotational center of the Operation Key in on surface A in the figures.
*2. The insertion radii apply when the rotational center of the Operation Key in on the Operation Key installation surface.
D4BL + D4BL-K2
Red
Horizontal direction
Operation Key
insertion radius
R ≥ 1200 *2
54.5 min. 58 max.
(13)
(41)
(40±0.15)
Vertical direction
Operation Key
insertion radius
R ≥ 1000 *2
54.5 min. 58 max.
(41)
(35)
D4BL + D4BL-K3
Red
Horizontal direction
Operation Key
insertion radius
R ≥ 250 *2
81.5 min. 85 max.
(41)
(40)
(30±0.15)
Vertical direction
Operation Key
insertion radius
R ≥ 1000 *2
81.5 min. 85 max.
(41)
(35)
D4BL
8
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