1 – Type of gear support: Bearing or Bushing

Bearing Unit

Series P15H P37X P25X P20 P30-P31 P50-P51 P75-P76
Bearing OD 1.6 2.33 1.94 1.69 1.69 1.94 2.33

 

Bushing Unit

Series P315 P330 P350 P365
Bushing ID 0.95 1.07 1.3 1.52
Bushing OD 1 1.18 1.46 1.67

Dimensions in inches

 

2 – Support studs (Bolts or Threaded Rods)

Series P15H P37X P25X P20 P30-P31 P50-P51 P75-P76 P315 P330 P350 P365
No. Studs 4 8 4 4 4 4 8 4 4 4 4
Thread 1/2-NC 1/2-NC 5/8-NC 9/16-NC 5/8-NC 5/8-NC 5/8-NC 1/2-NC 5/8-NC 5/8-NC 5/8-NC

Dimensions in inches

 

3 – Front Bearing & Retainer

Series P15H P37X P25X P20 P30-P31 P50-P51 P75-P76 P315 P330 P350 P365
Ball Bearing YES NO NO YES YES YES YES YES YES YES YES
Bearing OD 2.4 NO NO 2 2 2.8 3.15 NO 2 2.8 3.15
Snap Ring YES NO NO YES YES YES YES NO YES YES YES
Tappered Bearing NO YES YES NO NO NO NO NO NO NO NO
Brg Cone OD NO 3 2.5 NO NO NO NO NO NO NO NO
Threaded Retainer NO YES YES NO NO NO NO NO NO NO NO

Dimensions in inches

 

4 – Back Cover Dimensions

Series P15H P37X P25X P20 P30-P31 P50-P51 P75-P76 P315 P330 P350 P365
Dimension-W1 3.375 5.25 4.94 4.7 4.81 4.94 6.13 4 4.8 5.75 6.25
Dimension-W2 N/A 7.31 N/A N/A N/A N/A N/A 4.24 6.88 7.12 7.38
Dimension-H 5.25 7.31 6 5 5.38 6 7.88 4.31 5.38 6 7

Dimensions in inches

 

5 – Gear Set Dimensions

Series P15H P37X P25X P20 P30-P31 P50-P51 P75-P76 P315 P330 P350 P365
Number of Teeth 14 12 10 10 10 10 10 12 10 10 9
Dimension-D 2 2.79 2.39 2.1 2.1 2.39 3 1.76 2.1 2.4 2.74

Dimensions in inches

 

6 – Bearing Carrier Dimensions

Series P15H P37X P25X P20 P30-P31 P50-P51 P75-P76 P315 P330 P350 P365
Dimension-W 2.5 3 2.88 2.5 2.5 2.88 3 2.62 3.5 3.5 4

Dimensions in inches

 

7 – Thrust Plate Dimensions

Series P15H P37X P25X P20 P30-P31 P50-P51 P75-P76 P315 P330 P350 P365
Dimension-W 0.38 0.50 0.38 0.38 0.38 0.38 0.50 0.40 0.25 0.25 0.25

Dimensions in inches