ABB
Abb AC Servo motors
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57
4
BSM25/33 series dimensions - NEMA dimensions
Motor code
Configuration
Body dia
U
AH
Key
AJ
AK
BB
BSM25C
42C face
3.88 (98.5)
0.375 (9.5)
1.31 (33.2)
0.75
4x 1/4-20 UNC-2B on a 3.75 B.C.
3 (76.2)
0.14 (3.5)
BSM33C
56C face
4.66 (118)
0.625 (15.8)
2.05 (52.07)
0.19 x 1.38
4x 0.38-16 tap on 5.875 B.C.
4.5 (114)
0.13 (3.3)
Motor code
Length - L
Hall
Encoder
Resolver
BSM25C–1
6.64 (169)
–
–
BSM25C–2
7.1 (180)
–
–
BSM33C–2
7.8 (198)
8.56 (217)
7.8 (198)
BSM33C–3
7.8 (198)
8.56 (217)
7.8 (198)
BSM33C–4
10.1 (257)
10.81 (275)
10.1 (257)
BSM33C–5
13.1 (333)
13.81 (351)
13.1 (333)
BSM33C–6
13.1 (333)
13.81 (351)
13.1 (333)
Note:
Standard configuration: All motors supplied with Hall sensors and flying leads..
BSM25 has NEMA 42C face; power leads 12" (304mm); Hall sensor leads 17" (431mm)
BSM33 has NEMA 56C face/foot; power leads 12" (304mm); Hall sensor leads 12" (304)
Dimensions are for reference only and may change for other selected options. Detailed engineering drawings available upon request
Dimensions in inch (mm)
Abb AC Servo motors