PYI Catalog

IMPERIAL

Bore Diameters (Inches)

Part #

Type of Gearbox

0.75" 0.875" 1" 1.125" 1.25" 1.5" 1.75" 2" 2.25" 2.5" 2.75"

202-153 4" BW, PRM, ZF Hurth Max Bore: 1.5"

B B B B

B B

B B

B B

B

P - Pilot drilled open tolerance B - Bored Only / Can be keyed BK - Bored and must be keyed

202-254 4" Yanmar Max Bore" 1.5" 202-255 4" Volvo Max Bore: 1.5" 202-489 4" Bukh Max Bore: 1.5"

202-168 5" BW, PRM, ZF Hurth, Volvo Max Bore: 2" 202-313 5" IRM 220, MG 502, Lister Max Bore 2"

P P P P P

B

B BK BK BK BK

Shaded area designates range of bores covered.

202-316 5" Yanmar Max Bore: 2" 202-176 6" PRM Max Bore: 2.5" 202-188 6" Twin Disc Max Bore: 2.5"

BK

BK BK BK BK BK BK

202-381 7.25" PRM 601, 1000 4:1 Max Bore: 2.75" 202-468 7.25" PRM 1500 Max Bore: 2.75"

P P P P

Note: Please contact PYI if shaft size is not listed.

202-469 7.25" Twin Disc Max Bore: 2.75" 202-470 7.25" ZF 311A Max Bore: 2.75"

METRIC

Bore Diameters (mm)

Part #

Type of Gearbox

22mm 25mm 30mm 35mm 40mm 45mm 50mm 55mm 60mm 70mm

202-153 4" BW, PRM, ZF Hurth Max Bore: 40mm

B B B

B B B

B B B

B

202-254 4" Yanmar Max Bore" 40mm 202-255 4" Volvo Max Bore: 40mm

202-489 4" Bukh Max Bore: 40mm 202-168 5" BW, PRM, ZF Hurth, Volvo Max Bore: 50mm 202-313 5" IRM 220, MG 502, Lister Max Bore 50mm 202-316 5" Yanmar Max Bore: 50mm

BK BK BK BK BK

BK BK

202-176 6" PRM Max Bore: 60mm 202-188 6" Twin Disc Max Bore: 60mm

BK BK BK BK BK

BK

BK

202-381 7.25" PRM 601, 1000 4:1 Max Bore: 70mm 202-468 7.25" PRM 1500 Max Bore: 70mm 202-469 7.25" Twin Disc Max Bore: 70mm 202-470 7.25" ZF 311A Max Bore: 70mm

A

E

G

Recommended torque specs: • M10 - 45ft. lbs. Supplied with clamp bolts and nuts: • Imperial Sizes: Keyways to BS46: Part 1 Square • Metric Sizes: Keyways to BS4235: Part 1 Rectangular

C & D

F

* Male register shown

Coupling Dimensions

Register Ø (E) M = Male * F = Female inches / mm

Hole Pitch Circle (B) inches / mm

Hole Size (D) inches / mm

Length (F) inches / mm

Boss Ø (G) inches / mm

Flange Ø (A) inches / mm

# of Holes (C)

Clamp Bolt Size

Part #

202-153 202-254 202-255 202-489 202-168 202-316 202-176 202-188 202-313 202-381 202-468 202-469 202-470

4 4 4

102 102 102

3.25 3.07 3.15 2.93

82.55

4 4 4 4 4 4 6 6 6 6 6 6 8

0.394 0.394 0.394

10 2.5

63.5

M

3.19 3.19 3.28 3.28

81 81

3.38 3.38 3.38 3.38 4.06 4.06

85.9 85.9 85.9 85.9

M10 M10 M10

78 80

10 1.97 50 M

• 7/16” UNF - 60 ft. lbs. • 1/2” UNF - 75 ft. lbs. • 5/8” UNF - 155 ft. lbs.

10

2.36

60 F

85.8 85.8

3.54

90

74.5

0.32

8.1 1.85 47 F

5/16” UNF

5

127 4.25 107.94

0.44 11.2 2.5

63.5

M

3.75 95.3 3.75 95.3

103.2 7/16” UNF

4.72 119.9

3.94

100

0.394

10 2.56 65 M

103.2

M10

5.75 146 4.75 120.6 5.75 146 4.75 120.6

0.5 12.7

3 3

76.2 M 5.5 76.2 F 5.5

139.7 5.38 136.7 1/2” UNF 139.7 5.38 136.7 5/8” UNF

0.63

16

5

127

3.88

98.6

0.47 12 2.5

63.5

F

5.63 143

4.06 6.63 6.63 6.63 6.63

103.2 168.4 168.4 168.4 168.4

M12

7.45 189.2 6 7.45 189.2 6 7.45 189.2 6 7.45 189.2 6

152.4 152.4 152.4 152.4

0.63 0.63

16 16

3.75 3.75 3.75 3.75

95.25 M 7.5 190.5 95.25 F 7.5 190.5 95.25 F 7.5 190.5 95.25 F 7.5 190.5

5/8” UNF 5/8” UNF 3/4” UNF 5/8” UNF

0.75 19

0.63

16

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