Browning 2BK Catalog Page

																			Cast Iron Sheaves				2BK
										TWO GROOVE SHEAVES
											COMBINATION GROOVE
									FOR “4L” or “A” Belts and “5L” or “B” Belts
		TABLE No. 1										STOCK SIZES - FINISHED BORE
		PART		DIAMETERS								STOCK BORES MARKED “X”									DIMENSIONS			WT.
		No.	OUTSIDE	DATUM		DATUM	TYPE	1/2”	5/8”		3/4”	7/8”	1”	1 1/8”		1 3/16”	1 3/8”	1	7/16”	F	L	P	C	LBS.
				“A”		“B”
		2BK25	2.50	1.90		2.30	1	X	X		X	X								1.75	1.97	0.47	0.25	1.56
		2BK27	2.70	2.10		2.50	1	X	X		X	X	X							1.75	1.97	0.47	0.25	2.01
		2BK28	2.95	2.20		2.60	1	X	X		X	X	X	X						1.75	1.97	0.47	0.25	2.14
		2BK30	3.15	2.40		2.80	1	X	X		X	X	X	X						1.75	1.97	0.47	0.25	2.4
		2BK32	3.35	2.60		3.00	1		X			X	X	X						1.75	1.97	0.47	0.25	2.62
		2BK34	3.55	2.80		3.20	1		X		X	X	X	X						1.75	1.97	0.47	0.25	2.92
		2BK36	3.75	3.00		3.40	1				X	X	X	X			X			1.75	1.97	0.47	0.25	3.42
		2BK40	3.95	3.20		3.60	2		X		X	X	X	X						1.75	1.47	0.47	0.75	3.36
		2BK45	4.25	3.50		3.90	2						X	X			X			1.75	1.47	0.47	0.75	3.65
		2BK47	4.45	3.70		4.10	2					X	X	X			X			1.75	1.47	0.47	0.75	3.86
		2BK50	4.75	4.00		4.40	2				X		X	X			X			1.75	1.47	0.47	0.75	4.42
		2BK52	4.95	4.20		4.60	2					X	X	X			X			1.75	1.47	0.47	0.75	5.59
		2BK55	5.25	4.50		4.90	2							X			X			1.75	1.47	0.47	0.75	4.74
		2BK57	5.45	4.70		5.20	2						X	X			X			1.75	1.47	0.47	0.75	5.14
		2BK60	5.75	5.00		5.40	3				X	X	X	X			X			1.75	1.47	0.47	0.75	4.9
		2BK62	5.95	5.20		5.60	3						X	X			X			1.75	1.47	0.47	0.75	5.5
		2BK65	6.25	5.50		5.90	3						X	X			X			1.75	1.47	0.47	0.75	6.69
		2BK67	6.45	5.70		6.10	3						X	X			X			1.75	1.46	0.47	0.76	6.35
		2BK70	6.75	6.00		6.40	3				X		X	X		X	X		X	1.75	1.59	0.34	0.50	8.42
		2BK80	7.75	7.00		7.40	3				X		X	X		X	X		X	1.75	1.59	0.34	0.50	9.31
		2BK90	8.75	8.00		8.40	3				X		X	X		X	X		X	1.75	1.59	0.34	0.50	8.62
		2BK100	9.75	9.00		9.40	3				X		X			X	X		X	1.75	1.59	0.34	0.50	12.56
		2BK110	10.75	10.00		10.40	3						X			X			X	1.75	1.59	0.34	0.50	12.84
		2BK120	11.75	11.00		11.40	3						X			X			X	1.75	1.75	0.34	0.50	16.8
		2BK130	12.75	12.00		12.40	3						X			X			X	1.75	1.59	0.34	0.50	16.04
		2BK140	13.75	13.00		13.40	3						X			X			X	1.75	1.59	0.34	0.50	18.37
		2BK160	15.75	15.00		15.40	3						X			X			X	1.75	1.59	0.34	0.50	18.69
		2BK190	18.75	18.00		18.40	3									X			X	1.75	1.59	0.34	0.50	25.5

STANDARD KEYSEATS

TABLE No. 2

BORE RANGE	KEYSEAT
1/2”	None
5/8” to 7/8”	3/16” x 3/32”
15/16 to 1 3/16	1/4 x 1/8
1 3/8	5/16 x 5/32
1 7/16	3/8 x 3/16

INDIVIDUALLY PACKAGED HOLLOW HEAD SETSCREWS PAINTED

IDEAL FOR ORIGINAL EQUIPMENT

ACCURATELY MACHINED AND STATICALLY BALANCED

A-27

Cast Iron Sheaves 2BKH

TWO GROOVE SHEAVES

COMBINATION GROOVE

FOR “4L” or “A” Belts and “5L” or “B” Belts

TABLE No. 1						STOCK SIZES - WITH SPLIT TAPER BUSHINGS
		DIAMETERS							DIMENSIONS					WT.
PART		DATUM		DATUM	TYPE									LBS.
No.	O.D.					O.L.	F	L	P	C	X	G	E	LESS
		“A”		“B”										BUSH.
2BK32H	3.35	2.60		3.00	1	2.78	1.75	1.28	0.88	1.31	0.88	0.44	0.16	2.25
2BK34H	3.55	2.80		3.20	1	2.78	1.75	1.28	0.88	1.31	0.88	0.44	0.16	2.58
2BK36H	3.75	3.00		3.40	1	2.78	1.75	1.28	0.88	1.31	0.88	0.44	0.16	2.08
2BK40H	3.95	3.20		3.60	1	2.78	1.75	1.28	0.88	1.31	0.88	0.44	0.16	2.41
2BK45H	4.25	3.50		3.90	1	2.78	1.75	1.28	0.88	1.31	0.88	0.44	0.16	3.09
2BK47H	4.45	3.70		4.10	2	1.75	1.75	1.28	0.44		0.88	0.44	0.16	3.04
2BK50H	4.75	4.00		4.40	2	1.75	1.75	1.28	0.44		0.88	0.44	0.16	3.42
2BK52H	4.95	4.20		4.60	2	1.75	1.75	1.28	0.44		0.88	0.44	0.16	3.60
2BK55H	5.25	4.50		4.90	2	1.75	1.75	1.28	0.44		0.88	0.44	0.16	3.84
2BK57H	5.45	4.70		5.10	2	1.75	1.75	1.28	0.44		0.88	0.44	0.16	4.39
2BK60H	5.75	5.00		5.40	2	1.75	1.75	1.28	0.44		0.88	0.44	0.16	4.55
2BK62H	5.95	5.20		5.60	2	1.75	1.75	1.28	0.44		0.88	0.44	0.16	5.05
2BK65H	6.25	5.50		5.90	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	4.75
2BK67H	6.45	5.70		6.10	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	4.85
2BK70H	6.75	6.00		6.40	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	5.13
2BK80H	7.75	7.00		7.40	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	6.90
2BK90H	8.75	8.00		8.40	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	7.31
2BK100H	9.75	9.00		9.40	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	9.83
2BK110H	10.75	10.00		10.40	3	1.75	1.75	1.28	0.19	0.24	0.89	0.44	0.16	11.91
2BK120H	11.75	11.00		11.40	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	13.30
2BK130H	12.75	12.00		12.40	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	15.25
2BK140H	13.75	13.00		13.40	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	16.61
2BK160H	15.75	15.00		15.40	3	1.75	1.75	1.28	0.19	0.25	0.88	0.44	0.16	19.27
2BK190H	18.75	18.00		18.40	3	1.75	1.75	1.28	0.20	0.24	0.88	0.44	0.16	23.53

CLAMP FIT ON SHAFT

Part Numbers are specified by “H” and

bore size. Example:

“H - 1 1/8”

*These sizes are furnished with

special keys to fit standard depth

keyseats.

TABLE No. H BUSHING

D

BORE RANGE

CAP SCREWS

AVG.

\WRENCH

CAPSCREW

BUSHING

L

U

T

LARGE

SMALL

H

V

W

X

Y

R

S

WT.

TORQUE

HEAD

TYPE 1

TYPE 2

No.

SIZE

LBS

IN-LBS

PROJECTION

END

END

H

1 1/4

1/4

1

1.625

1.571

2 1/2

2

-

14/16

3/16

1/8

3/16

3/8 - 1 1/8

1 7/16 - 1 1/2

2

1/4-20 x 5/8

0.8

95

0.16

A-28