Sealmaster NP-46 Mounted Cast Iron Two Bolt Pillow Block Ball Bearing Black Oxided - Setscrew Lock

Brand: Sealmaster (RRX)
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Regal Rexnord is a global leader in power transmission and motion control products, offering a broad portfolio that includes bearings, motors, gear drives, and automation solutions. Their innovations drive efficiency, reliability, and performance across industrial, commercial, and energy markets.

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Key Features

  • Powder coated epoxy cast iron housing with extended inner ring bearings
  • Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
  • Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.
  • Sealmaster® exclusive lock pin and dimple for direct lubrication and anti-rotation

Description

The Sealmaster Mounted Cast Iron Two Bolt Pillow Block Ball Bearing is a robust, ready-to-mount bearing unit designed for reliable performance in normal to medium-duty applications. Featuring a solid one-piece cast iron housing, this pillow block ensures maximum strength and rigidity. The bearing insert, crafted from 52100 bearing steel with a black oxide coating, provides excellent corrosion resistance and durability. It utilizes a setscrew locking collar or Sealmaster’s exclusive Skwezloc® concentric locking collar for secure shaft attachment, minimizing slippage. The unit includes felt seals to protect against contaminants and retain lubrication, with a relubricatable design for extended bearing life. The two-bolt base allows for straightforward installation, supporting radial or radial-and-thrust loads. With a wide range of bore sizes and configurations, this bearing is ideal for applications such as conveyors, industrial machinery, and material handling systems. Sealmaster’s innovative features, like the lock pin and dimple system, enable direct lubrication and prevent outer ring rotation, ensuring optimal performance and reduced maintenance.

Specifications

Dimensions

Overall Length (in) 13 in
Overall Height (in) 7.00 in
Overall Width (in) 3.50 in
Base Width (in) 3.50 in
Bolt Size (in) 7/8 in
Bore Diameter (in) 2.875 in
Foot Height (in) 1.13 in
Base to Center Height (in) 3.5000 in
Length Through Bore (in) 3.063 in
Bolt Spacing Min (in) 8.5 in
Bolt Spacing Max (in) 9.5 in
Centerline to Outermost Bearing Face (in) 1.750 in

Technical Specifications

Housing Base Solid
Rolling Element Ball Bearing
Bore Shape Straight
Housing Construction One Piece
Misalignment Type Static Only
Outer Ring Land Profile Standard
Housing Color Black
Cage Material Brass
Housing Type Pillow Block, Two Bolt
Seal Type Felt Labyrinth Seal
Housing Style Pillow Block
Setscrew Torque (in-lbs) 350-450 in/lbs
Ability to Relubricate Yes
Inner Race Heat Treat Method Zone-Hardened
Radial Clearance Standard
Shaft Locking Type Set Screw
Static Load Rating (lb) 11,224 lb
Fixed vs. Expansion Fixed
Lubricant Lithium Complex NLGI 2 Grease
Bearing Insert Material 52100 Bearing Steel
Inner Ring Outside Diameter (in) 3.641 in
Vibration Frequency Roller Spin 0.0476 cps
Cage Type Land Riding Retainer
Maximum Speed (RPM) 2450 rpm
Housing Coating Powder Coated
Insert 2-214
Vibration Frequency Fundamental Train 0.0069 cps
Size Code 2-215
Vibration Frequency Inner Ring Defect 0.1072 cps
End Cap Available No
Dynamic Load Rating (lb) 14,839 lb
Base Length (in) 13.00 in
Bearing Type Standard Duty
Housing Material Cast Iron
Grease Fitting Thread Size 1/8 NPT
Misalignment Capability ±2.0° Misalignment - Static Only
Bearing Insert Finish Black Oxide
Max Operating Temperature (F) 220 °F
Vibration Frequency Outer Ring Defect 0.0761 cps

General Specifications

UPC 662461296400
Weight 28.00 LB
Packaged Length 14.25 IN
Packaged Width 8.06 IN
Packaged Height 4.00 IN
HTC 8483.20.8040
Country of Origin United States of America

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Disclaimer: Apollo Industries is not an authorized distributor, reseller, or representative of Regal Rexnord Corporation. All Regal Rexnord Corporation trademarks and product names are the property of their respective owners. We sell genuine Regal Rexnord Corporation products purchased through independent channels.