Timken RSAO2-3/16 Two Bolt Pillow Block Bearing With Eccentric Locking Collar

Description:

The Timken RSAO2-3/16 two-bolt pillow block bearing with eccentric locking collar is used to support a 2-3/16 inch rotating shaft in heavy-duty industrial power transmission and material handling systems. Commonly installed in conveyors, mining equipment, aggregate processing machinery, agricultural equipment, and other industrial applications operating in wet, dirty, or high-load environments. Maintenance teams, OEMs, and system integrators use this bearing unit for replacement, repair, retrofit, and equipment overhaul to restore dependable shaft support and minimize equipment downtime.

Applications:

The Timken RSAO2-3/16 is a Fafnir® heavy-series two-bolt pillow block bearing featuring a GN203KRRB wide inner ring ball bearing, eccentric locking collar, and cast iron housing designed for demanding operating conditions. Its prelubricated, relubricatable construction makes it ideal for bulk material handling, mining, aggregate processing, manufacturing, agricultural equipment, and conveyor systems where high radial loads, shock loads, and reliable shaft retention are essential.

Technical Specifications:

• Manufacturer: Timken
• Manufacturer Part Number (MPN): RSAO2-3/16
• Product Type: 2-bolt pillow block bearing unit
• Series: Fafnir® RSAO Heavy Series
• Bearing Type: Mounted ball bearing
• Shaft Size: 2-3/16 in (55.6 mm)
• Bearing Number: GN203KRRB
• Locking Style: Eccentric locking collar
• Housing Style: Two-bolt pillow block
• Housing Material: Cast iron
• Seal Type: Shroud seal
• Base to Center Height: 3.750 in (95.25 mm)
• Overall Length: 12.626 in (320.7 mm)
• Overall Height: 6.720 in (170.7 mm)
• Bolt Hole Spacing: 10.252 in (260.4 mm)
• Dynamic Load Rating: 17,800 lbf (79,300 N)
• Static Load Rating: 10,000 lbf (44,600 N)
• Lubrication: Factory prelubricated, relubricatable grease fitting
• Weight: 22.47 lb (10.19 kg)

Common Replacements:

• Timken LSAO2-3/16
• Dodge P2B-SC-203R equivalent
• NTN UCP211D1 equivalent