GENERAL DIMENSIONS – BQ & HQ STYLE REDUCERS

Coming 2025

SIZE

A

AC

B

BB

BD

BE

BF

CD

H

HL

LL

Z x L

SOLID O/P SHAFT

HOLLOW BORE

S

LS

LW

133
2.12
4.00
6.03
4.00
2.80
2.00
3.25
1.33
4.66
1.60
1.72
5/16-18
0.50
0.625
2.00
1.311
1.311

154
2.75
4.88
6.76
4.31
2.43
2.75
4.19
1.54
5.38
1.93
1.91
5/16-18
0.50
0.750
1.77
1.25
1.25

175
2.76
5.04
6.75
43.1
3.43
2.75
4.19
1.75
5.75
1.94
2.06
5/16-18
0.60
0.875
1.88
1.378
1.378

206
3.00
5.87
7.28
4.69
3.80
2.874
5.00
2.063
6.37
2.03
2.28
3/8-16
0.60
1.000
2.00
1.75
1.75

237
3.50
6.65
7.88
5.08
4.09
2.88
5.00
2.375
6.94
2.07
2.50
3/8-16
0.60
1.125
2.37
2.00
2.00

262
3.69
7.17
8.76
5.63
4.45
3.38
6.38
2.625
8.00
2.44
2.94
3/8-16
0.60
1.125
2.50
2.00
2.00

300
4.50
8.12
10.25
6.75
5.25
4.00
7.00
3.00
8.88
2.63
3.25
7/16-14
0.79
1.250
3.25
2.25
2.25

325
4.50
8.90
10.87
7.06
5.39
4.00
7.50
3.25
9.37
2.63
3.50
7/16-14
0.79
1.375
3.244
2.874
2.874

QUILL/FLANGE INPUT DIMENSIONS

SIZE

FRAME

AB

LA

LB

LC

LE

LZ

INPUT

BORE

KEYWAY

133
56C
3.94
5.875
4.50
6.54
0.20
0.41
0.625
3/16 x 3/32

154
56C
4.50
5.875
4.50
6.50
0.20
0.41
0.625
3/16 x 3/32

175
56C
4.15
5.875
4.50
6.60
0.18
0.41
0.625
3/16 x 3/32
140TC
0.875

206
56C
4.51
5.875
4.50
6.60
0.18
0.41
0.625
3/16 x 3/32
140TC
0.875

237
56C
5.00
5.875
4.50
6.50
0.20
0.41
0.625
3/16 x 3/32
140TC
0.875
180TC
7.25
8.00
9.02
0.28
0.55
1.125
1/4 x 1/8

262
56C
5.70
5.875
4.50
6.50
0.20
0.41
0.625
3/16 x 1/8
140TC
0.875
180TC
7.25
8.50
9.00
0.28
0.55
1.125
1/4 x 1/8

300
56C
6.54
5.875
4.50
6.50
0.20
0.41
0.625
3/16 x 1/8
140TC
0.875
180TC
7.25
8.50
9.02
0.28
0.55
1.125
1/4 x 1/8
210TC
1.375
5/16 x 5/32

325
56C
6.57
5.875
4.50
6.50
0.20
0.41
0.625
3/16 x 3/32
140TC
0.875
180TC
7.36
7.25
8.50
9.02
0.28
0.55
1.125
1/4 x 1/8
210TC
1.375
5/16 x 5/32

BASE DIMENSIONS

SIZE

E

F

M

N

G

X

133
3.31
4.38
4.32
5.38
0.53
0.34

154
4.31
5.25
5.44
6.44
0.59
0.41

175
4.50
5.75
5.56
7.00
0.69
0.41

206
4.69
6.38
6.02
7.69
0.72
0.47

237
4.88
7.06
6.19
8.50
0.75
0.49

262
5.25
8.00
6.50
9.25
0.75
0.53

300
5.88
8.44
7.36
10.16
0.75
0.53

P

BASE DIMENSIONS

BASE DIMENSIONS

SELECTION TABLES

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

.25
7.5
233
133
243
4.1
1.0
56C
10
175
254
3.3
.82
15
116
282
2.6
.64
20
87
309
2.2
.55
25
70
299
1.8
.45
30
58
304
1.6
.40
40
43
312
1.3
.33
50
35
316
1.1
.29
60
29
302
1.0
.25

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

.33
7.5
233
133
243
3.1
1.0
56C
10
175
254
2.5
.82
15
116
282
1.9
.64
20
87
309
1.7
.55
25
70
299
1.3
.45
30
58
304
1.2
.40
40
43
154
499
1.7
.56
50
35
474
1.4
.46
60
29
445
1.2
.39

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

.50
7.5
233
133
243
2.1
1.0
56C
10
175
254
1.6
.82
15
116
282
1.3
.64
20
87
309
1.1
.55
25
70
154
483
1.5
.75
30
58
460
1.3
.63
40
43
499
1.1
.56
50
35
175
610
1.0
.52
60
29
206
902
1.3
.67

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

.75
7.5
233
133
243
1.4
1.0
56C
10
175
254
1.1
.82
15
116
154
429
1.3
1.0
20
87
497
1.2
.92
25
70
483
1.0
.75
30
58
175
591
1.0
.74
40
43
206
932
1.2
.92
50
35
931
1.0
.77
60
29
237
1350
1.3
.97

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

1.0
7.5
233
133
243
1.0
1.0
56C
10
175
154
386
1.3
1.3
15
116
429
1.0
1.0
20
87
175
605
1.0
1.0
25
70
206
925
1.3
1.3
30
58
946
1.1
1.1
40
43
237
1376
1.3
1.3
50
35
1375
1.1
1.1
60
29
262
1350
1.2
1.2

SELECTION TABLES

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

1.5
7.5
233
154
355
1.0
1.5
56C/140TC
10
175
175
509
1.1
1.6
15
116
206
861
1.3
1.9
20
87
925
1.0
1.6
25
70
237
1396
1.3
2.3
30
58
1345
1.1
1.7
40
43
262
1780
1.1
1.7
50
35
300
2390
1.3
1.9
60
29
2290
1.1
1.6

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

2.0
7.5
233
206
664
1.4
2.8
56C/140TC
10
175
773
1.2
2.5
15
116
237
1265
1.4
2.8
20
87
1364
1.2
2.3
25
70
1396
1.0
2.0
30
58
262
1808
1.1
2.1
40
43
300
2378
1.1
2.3
50
35
2390
1.0
2.0
60
29
325
3143
1.0
2.1

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

3.0
7.5
233
237
955
1.3
4.0
180TC
10
175
1125
1.2
3.6
15
116
262
1668
1.2
3.6
20
87
1763
1.0
3.0
25
70
300
2426
1.1
3.4
30
58
325
3097
1.2
3.6
40
43
3171
1.0
3.0
50
35
N/A
60
29

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

5.0
7.5
233
262
1186
1.0
5.0
180TC
10
175
300
1956
1.2
6.2
15
116
2236
1.0
5.0
20
87
325
3136
1.0
5.2
25
70
N/A
30
58
40
43
50
35
60
29

HP*

 RATIO (:1)

OUTPUT RPM

SIZE

MAX OUTPUT TORQUE (IN/LB)

*S.F @ HP

MAX INPUT HP

INPUT FLANGE AVAIL.

7.5
7.5
233
325
2143
1.2
8.9
210TC
10
175
2592
1.1
8.1
15
116
N/A
20
87
25
70
30
58
40
43
50
35
60
29