S E R I E S
SLF
SF
Companion Flanges—Specifications
N1310
N1350-N1410
N1480-N1550
N1610
N1710
N1810
NO. OF BOLTS
4
4
4
8
8
12
THREAD SIZE
³⁄₈-24
⁷⁄₁₆-20
¹⁄₂-20
³⁄₈-24
³⁄₈-24
⁷⁄₁₆-20
BOLT CIRCLE
3.12
3.75
4.75
6.12
7.25
7.25
E PILOT DIA.
2.375
2.750
3.750
6.625
7.750
7.750
O.D.
3.88
4.56
5.88
6.88
8.00
8.00
O.A.L.
SF
2.00
2.00
2.50
3.50
4.00
4.00
SLF
2.50
3.00
3.50
5.00
6.00
6.00
BORE DIA.
SF
1.69
1.88
2.44
3.12
4.00
4.00
(MAX.)
SLF
2.38
2.75
3.75
4.50
5.50
5.50
BORE DIA.
SF
0.75
1.00
1.25
1.25
1.25
1.25
(ROUGH)
SLF
1.38
1.75
2.38
3.12
3.50
3.50
KEYWAY
SF
³⁄₈ X ³⁄₁₆
¹⁄₂ X ¹⁄₄
⁵⁄₈ X ⁵⁄₁₆
³⁄₄ X ³⁄₈
1 X ¹⁄₂
1 X ¹⁄₂
(MAX.)
SLF
³⁄₈ X ³⁄₁₆
³⁄₄ X ³⁄₈
⁷⁄₈ X ⁷⁄₁₆
1¹⁄₈ X ⁹⁄₁₆
1¹⁄₄ X ⁵⁄₈
1¹⁄₄ X ⁵⁄₈
Bore
OAL
E
BC
OD
Tapped
Keyway
Drilled
Tapped
Keyway
Bore
Tapped
OAL
E
OD
BC
©2004 Neapco Inc.
06/04
I-11
SF - Standard Flange
SLF - Special Large Flange
Mating Flange Yokes for Companion Flanges
by Driveline Series
Series
Flange Yoke
Part Number
N1000
N1310
N2-2-329
N2-2-459
N1350
N1410
N1480
N1550
N1610
N1710
N1810
Detail Flange Yoke Information Reference Catalog
Section II