Find a Service Center
- 1 15/16 in Shaft Diameter
- 2 13/16 in Inner Diameter
- 2 Bolt
- Heavy Duty
description
- PU331 Pillow Blocks Ball Bearings
features
- 1 15/16" Mounted Ball Bearing
- Heavy Duty
- Cast Iron 2-Bolt Fixed Pillow Block
- Setscrew Locking
- Clearance Seal
| Seal Type | Clearance Seals |
| Speed [Max] | 5600 rpm |
| Bolt Size | 5/8 in |
| Bolt Holes | 2 |
| Temperature Range [Max] | 200 °F |
| Vibration Frequency Fundamental Train | 0.006 cps |
| Duty Type | Heavy |
| Temperature [Max] | 225 °F |
| Center of Bearing to Front of Inner Ring | 1 43/64 in |
| Internal Clearance | C3 Standard |
| Primary Seal | Clearance Seal With Flingers |
| Static Load Rating | 8500 lb |
| Fixed Expansion | Fixed |
| Pillow Block Type | Thru-Bolt |
| Bearing Design | Non-Expansion |
| Shaft Dia. | 1.9375 in |
| Shaft Locking | Single Set Collar |
| Mounting Pad Length | 11 1/8 in |
| No. of Bolts | 2 |
| Collar O.D. | 3 7/16 in |
| Bolt Hole Length | 1 1/8 in |
| Locking Collar O.D. | 3 7/16 in |
| Locking Type | Setscrew Locking |
| Retainer Type | Nylon |
| Bearing Type | Ball Bearing |
| Center of Bearing to End of Cover | 1 31/32 in |
| Series | 300 |
| Mounting Bolt Size | 5/8 in |
| Base Height | 1 3/8 in |
| Housing Material | Cast Iron |
| I.D. | 2 13/16 in |
| Total Expansion Capability | 1/4 in |
| Mounting Bolt Hole Slot Length | 1 1/8 in |
| Grease Fitting Size | 1/8 NPT |
| Center Line to Base Dimension [Min] | 3 1/8 in |
| Lubrication Type | EXXON RONEX MP STD |
| Locking Device | Setscrew Locking Collar |
| Inch/Metric | Inch Bore |
| Vibration Frequency Inner Ring Defect | 0.083 cps |
| Mounted Unit Duty | Heavy-Duty |
| Mounting Pad Width | 3 1/8 in |
| Bearing Insert | UG331L |
| End Type | Open End |
| Length Through Bore | 2 13/16 in |
| RPM [Max] | 5,600 rpm |
| Vibration Frequency Outer Ring Defect | 0.051 cps |
| Coating | Powder Coated |
| Setscrew Torque | 290-325 in/lbs |
| Size Code | 331 |
| Dynamic Load Rating | 13900 lb |
| Bolt Hole Spacing - Width | N/A |
| Base Width | 3 1/8 in |
| Housing Width | 3 1/8 in |
| Base Length | 11 1/8 in |
| Vibration Frequency Roller Spin | 0.033 cps |
| Housing Height | 6 in |
| Mounting Pad Height | 1 3/8 in |
| Base to Centerline Height | 3 1/8 in |
| Overall Width | 3 1/8 in |
| Lubrication | Relubricatable |
| Bolt Hole Spacing | 8 7/8 in |
| Housing Construction | 1 Piece |
| Distance Between Bolt Holes | 8 7/8 in |
| Weight | 10.143 LB |
| EAN or UPC | 662327708979 |
