New Inventory Daily | Same Day Free Shipping

13k+ reviews

SealMasterNP-9Two-Bolt Pillow Block Bearing Unit, 9/16″ Bore, Setscrew Locking, Non-Expansion, Cast Iron, Felt Seals

Condition: New – Open box
Condition Note: Made In USA, New Old Stock

Availability:

1 in stock

SealMaster NP-9 two-bolt cast iron pillow block for a 9/16 in shaft, 3-3/4 in bolt hole spacing, setscrew locking, felt seals, non-expansion.

Same day shipment

List Price

$25.41

1 in stock

Prefer eBay? Buy this item on our store (opens in a new tab)

Small green outline icon of a shipping box with a clock, indicating delivery time
Availability

1 in stock

On the Shelf & Ready to Ship

Green shield badge reading "Same-Day Shipping" with box and delivery truck icons
Free Shipping

On all orders

Green shield icon with box and arrow graphic labeled "Free Returns"
Free Returns

No Risk, No Hassle

Specifications

Key Specifications

MFR / BrandSealMaster
MPNNP-9
ModelNP 9/16
ID9/16 in

Technical Specifications

SeriesNP
TypePillow Block Bearing
LubricantGrease
MaterialCast Iron Housing, Bearing Steel Insert
RelubricationRelubricatable via grease fitting
Base NumberNP-9
Industry Termspillow block, plummer block, 2-bolt mounted bearing, self-aligning ball bearing unit, conveyor bearing
Common MisspellingsSeal Master NP9, Sealmater NP-9, NP 9/16 pillowblock, pillow blck
Application TypesConveyors, fans and blowers, agricultural equipment, material handling, light industrial shafting
Total Width1-1/2 in (38.1 mm)
Overall Width1-1/2 in (38.1 mm) base width
Bolt Center To Center3-3/4 in (95.25 mm)
Number Of Bolt Holes2
Bolt Center To Center Length3-3/4 in (95.25 mm)
Number Of Bolt Holes For Fasteners2
Centre Height Pillow Block1-3/16 in (30.16 mm)
Centre Height1-3/16 in (30.16 mm)
Bore Shaft Size9/16 in
Housing StylePillow block, 2-bolt, cast iron
Locking MethodSetscrew (two, in extended inner ring)
Mpn VariantsNP-9, NP9, NP 9, NP-9/16, NP9/16
Arrangement ConfigurationComplete unit: cast iron housing with insert, seals and setscrews
Closure TypeFelt seals, both faces
Rolling ElementsBall
Bearing TypeMounted ball bearing unit, wide inner ring insert, self-aligning
Number Of Rows1
Bore TypeStraight
Snap Ring IncludedNo
Duty TypeNormal duty
Locking DeviceSet Screw
Insert Outer RingYes
Relubrication FeatureRelubricatable via grease fitting
Harmonization Code8483.20.40
Housing MaterialCast Iron
Expansion TypeNon-expansion (locating)
Design UnitsInch
Bearing Material52100 chrome steel insert races
Part NumberNP-9
Seller Part Number: AB6B5#J521SX

Product Description

What this part is:

SealMaster NP-9 is a mounted ball bearing unit: a two-bolt cast iron pillow block from the normal-duty Gold Line NP series, with a wide-inner-ring ball bearing insert on a spherical outer race, self-aligning in a one-piece housing. Two setscrews in the extended inner ring lock it to a 9/16 in shaft. Complete unit: housing, insert, felt seals and setscrews. Unit Quantity: 1 Pc.

Decoding the designation:

NP — normal-duty two-bolt pillow block housing (SealMaster MP, NP and MRP are pillow blocks; SF, SFT and FB are flange styles).

9 — bore size in sixteenths of an inch, 9/16 in shaft.

Specifications:

Shaft Size: 9/16 in. Housing Style: Pillow block, 2-bolt. Housing Material: Cast Iron. Bearing Material: 52100 chrome steel insert races. Locking Method: Two setscrews in the extended inner ring. Closure Type: Felt seals, both faces. Relubrication: Relubricatable via grease fitting. Lubricant: Grease. Expansion Type: Non-expansion (locating). Duty Type: Normal duty. Unit Quantity: 1 Pc.

Dimensions and mounting:

Bolt Hole Spacing, Center To Center: 3-3/4 in (95.25 mm). Bolt Size: 1/2 in. Base-To-Shaft Centre Height: 1-3/16 in (30.16 mm). Overall Length: 5 in. Overall Height: 2-7/16 in. Base Width: 1-1/2 in (38.1 mm). Number Of Bolt Holes: 2. The non-expansion insert is axially located in the housing, the locating end of a shaft.

Compatibility and replacement:

SealMaster NPL-9 is a related size with a different housing. Two-bolt pillow blocks of the same bore from other makers use different bolt centres and centre heights.

Frequently asked questions:

What shaft size does the SealMaster NP-9 fit?

A 9/16 in shaft, locked by two setscrews in the extended inner ring.

What is the bolt hole spacing of the NP-9?

3-3/4 in (95.25 mm) center to center, with 1/2 in bolts.

Is the NP-9 a pillow block or a flange unit?

A two-bolt cast iron pillow block.

You May Also Like

NSK 6908DDU deep groove ball bearing – image 1
6908DDU

$27.51

72 in stock

Add to cart
NSK 6007ZZNR deep groove ball bearing – image 1
6007ZZNR

$11.48

76 in stock

Add to cart
Tapered Roller Bearing Cup, Single Flanged (TSF) - 2.8593 in Cup Outer Diameter, 0.6875 in Cup Width, 3.0741 in Flange Outer Diameter, Class 2, Case-Carburized Steel
41286B

$65.94

40 in stock

Add to cart

Need help finding the right part?

Our team can locate, cross-reference, and source all parts.

Assortment of MRO parts including motor, bearing, gears, cylinder and valve

News

How to Sell Excess Industrial Inventory: 5 Straight Answers

American manufacturers are sitting on a lot of stuff. The

Thrust Bearing Installation: Which Washer Goes Where

Thrust bearings explained: types, selection tips, and how to find

Additional Resources

Need help finding the right part?

Our team can locate, cross-reference, and source all parts.

Get In Touch
Need help finding the right part?

Our team can locate, cross-reference, and source all parts.

Get In Touch

Sort

Brand

Price

MPN

Categories

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.