Specifications
Dimensions
- Base Height2.2520 in
- Base To Bore Centerline2.2500 in
- Base Width2.3750 in
- Bolt Center Diameter6.0000 to 6.5000 in
- Bolt Center To Center Length6.0000 to 6.5000 in
- Bolt Size0.6250 in
- Bore Diameter1.9375 in
- Bore Inside Diameter1.9375 in
- Bore Length2.0310 in
- Housing Dimensions8.1300 x 2.3800 x 4.5600 in
- Housing Width2.3800 in
- Inner Race Width2.0310 in
- Inside Diameter1.9375 in
- Length8.1300 in
- Length Through Bore2.0310 in
- Max Bolt Hole Spacing6.5000 in
- Min Bolt Hole Spacing6.0000 in
- Misalignment Angle±2.0° Misalignment - Static Only
- Outer Diameter2.4690 in
- Outer Diameter TypeSpherical
- Overall Height4.5625 in
- Overall Length8.1250 in
- Overall Width2.0313 in
- Shaft Diameter1.9375 in
- Thread Size1/8 NPT
- Weight7.9 lbs
- Width2.3800 in, 60.45 mm
Details
- Additional DetailsExtended inner ring bearings | Zone hardened inner ring | 120° spacing setscrew locking | Diamond faceted setscrews | Single lip contact | Land riding retainer design | Lock pin and dimple | Reduced maintenance design | Tapered Lands | Lubed for Life
- Bearing Insert Material52100 Bearing Steel
- Bearing Number2-115C RM
- Bearing TypeBall Bearing
- Bore TypeRound / Straight
- CAD Drawing
- Cage MaterialPPS - Polyphenylene Sulfide
- Cage TypeLand Riding Retainer
- Closure TypeFelt Labyrinth Seal
- Compatible Frame TypePillow Block
- Component TypeComplete Assembly
- Distance Between Mounting Hole Cen6.0000 to 6.5000 in
- Duty TypeStandard Duty
- Dynamic Load Capacity7889 lbf
- Expansion TypeNon-Expansion Bearing (Fixed)
- Features & Benefits• Powder coated epoxy cast iron housing with extended inner ring bearings • Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews • Single lip contact • 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 dimple for direct lubrication and anti-rotation • Reduced maintenance design with plug and includes Sealmaster® Tapered Lands ensures that lubricant will be easily redirected back to the raceway.
- Finish CoatingGray
- Finish/CoatingPowder Coated
- Grease TypeLithium Complex Nlgi 2 Grease
- Harmonization Code8483.20.8040
- Housing Configuration2-Bolt Pillow Block
- Housing ConstructionOne Piece
- Housing MaterialCast Iron
- Housing TypeTwo Bolt
- IncludesLubed for Life, Reduced Maintenance, Setscrew Lock
- Insert Bearing Material52100 Bearing Steel
- Insert Bearing TypeBall
- Insert Material52100 Bearing Steel, Black Oxided
- Locking DeviceSet Screw
- Locking TypeSet Screw
- LubricationLithium Complex NLGI 2 Grease
- Lubrication TypeLithium Complex NLGI 2 Grease
- Manufacturer Catalog
- Manufacturer Catalog NumberNP-31C RM
- Manufacturer Product Page
- Manufacturer Upc Number662461333822
- MaterialCast Iron
- Max Operating Temperature220 °F
- Max Rpm3550 rpm
- Measurement StandardImperial
- Mounting2-Bolt Base
- Mounting Type2-Bolt Base
- Number Of Mounting Holes2
- Operating Temperature Range220 °F
- Outer Ring Material52100 Bearing Steel
- Product TypePillow Block Ball Bearing Units
- Radial Dynamic Load Capacity7889 lbf
- Radial Static Load Capacity5216 lbf
- RelubricatableNo
- Replacement Bearing2-115C RM
- Retainer MaterialPPS - Polyphenylene Sulfide
- Retainer TypeLand Riding
- Rolling ElementBall
- Row TypeSingle Row
- SealFelt Labyrinth
- Seal MaterialFelt
- Seal TypeFelt Labyrinth Seal
- Sealing TypeFelt Labyrinth
- Self AligningYes
- Sensor ReadyNo
- SeriesStandard
- Shaft AttachmentSet Screw Locking
- Standoff IncludedNo
- Static Load Capacity5216 lbf
- Suitable For High Temp AppNo
- Suitable For Washdown EnvironmentNo
- TypeTwo Bolt
- Type Of BearingBall Bearing
- UPC_NO662461333822
Overview
Mfr description
NP-31C RM
- Powder coated epoxy cast iron housing with extended inner ring bearings
- Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
- Single lip contact
- 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 dimple for direct lubrication and anti-rotation
- Reduced maintenance design with plug and includes Sealmaster® Tapered Lands ensures that lubricant will be easily redirected back to the raceway.