Specifications
Publication GMC-SG001E-EN-P — June 2001
Motors 6-69
Motors Dimensions
The following section contains the dimensions for 1326AB servo motors.
Figure 6.21
1326AB-B4 Torque Plus Servo Motor Dimensions (Resolver and High Resolution Feedback) (1326-AB-B4xx21x-Kx)
1
If ordering a 1326AB-B4xxx-21-K4 with optional 24V DC 8.1 N-m (72 lb-in.) brake, add 45 mm (1.75 in.).
2
If ordering a 1326AB-B4xxx-21-xK4L with optional 24V DC 8.1 N-m (72 lb-in.) brake (IP67 rated), add 45 mm (1.75 in.).
3
These dimensions apply to resolver and high resolution feedback motors.
Motor
1326AB-
AC
mm (in.)
AD1
mm (in.)
AD2
mm (in.)
AE
mm (in.)
D
mm (in.)
DA
mm (in.)
EA
mm (in.)
EC
mm (in.)
FA
mm (in.)
GB
mm (in.)
HD
mm (in.)
L (Resolver)
1, 2
mm (in.)
B410x-21xx
92.07
(3.628)
25.4
(1)
25.4
(1)
95
(3.74)
9.51
(0.375)
19
(0.75)
30.7
(1.21)
11.2
(0.44)
6
(0.24)
15.36
(0.6)
126.5
(4.98)
275.6 (10.85)
B420x-21xx 333 (13.11)
B430x-21xx 402.8 (15.86)
Motor
1326AB-
L
(High Resolution)
1, 2
mm (in.)
LB
(Resolver)
1, 2
mm (in.)
LB
(High Resolution)
1, 2
mm (in.)
LC
1, 2
(Resolver and High
Resolution)
mm (in.)
L-LB
mm (in.)
O
mm (in.)
R
mm (in.)
T
mm (in.)
B410x-21xx 281.7 (11.09) 235.7 (9.28) 241.8 (9.52) 201.7 (7.94)
40
(1.57)
24.4
(0.96)
2.8
(0.11)
3
(0.118)
B420x-21xx 338.8 (13.34) 292.9 (11.53) 299 (11.77) 258.8 (10.19)
B430x-21xx 408.7 (16.09) 362.7 (14.28) 368.8 (14.52) 328.7 (12.94)
AC
D
R
L
LB
LC
EC
L-LB
T
EA
DA
AE
AD1
O
HD
FA
GB
AD2
6.1 (0.24)
Key
Inspection Holes (4), Top and
Bottom 1/16-27 NPT Plugs
M6 x 1.0 Tapped Hole
16 (0.63) Deep Min.
High-Resolution
Motor End
Shaft and Pilot Tolerances
Shaft Runout 0.04 (0.0016) T.I.R.
Shaft Endplay 0.127 (0.005) T.I.R.
Pilot Eccentricity 0.08 (0.0032) T.I.R.
Maximum Face Runout 0.08 (0.0032) T.I.R.
10 mm Dia. Thru-Hole
4 required on a 115 mm Dia. B.C.
(0.394 Dia. on a 4.528 Dia. B.C.)
Mounting Bolts must be Cap Head
Style.
Motor Front End
Bell Corner Radius
22.2 (0.875)
Recessed Finger and
Shaft Seal Provision
Power Input
45°
45°
Commutation Resolver
or High-Resolution Output
Note: Dimensions are per NEMA Standards MG 7-2.4.1.3 and IEC 72-1. Shaft and pilot tolerances are per DIN 42955, N tolerance.
Key - 6 x 6 x 30 (0.236 x 0.236 x 1.18)
End-Milled Keyway (full depth) - 30.7 (1.21)
Dimensions are in millimeters (inches).
Full Depth
Endmilled Keyway
Shaft Detail