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Rex KA2307 2000 series normal duty mounted spherical roller bearing with 3-7/16 in (87.31 mm) bore. Cast iron fixed 2-bolt pillow block housing, single setscrew locking collar, and single lip light contact seal. Designed for self-alignment and reliable performance under moderate loads.

Name: Rex KA2307 2000 series normal duty mounted spherical roller bearing with 3-7/16 in (87.31 mm) bore. Cast iron fixed 2-bolt pillow block housing, singl
Brand: Rexnord
Price: 1330.31 USD
Availability: InStock
Rating: 5.0 (4 reviews)

MODEL 10421257

BRAND

Rexnord

SKU

502637

WEIGHT

38.000 lb

UOM

each

UPC

698210621421

Contact supplier for technical support on: 800-626-2120

$1,330.31 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

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GET A QUOTE

Typically Ships in: 1 day

Returnable: See conditions

Ability to Relubricate

Yes

Available end cap

DTC10

Available End Cap

DTC10

Available Seal Type

K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip

Base Length (in)

Base to centerline height (in)

3.75

Base Width (in)

3.44

Bearing Brand

REX ROLLER BEARING

Bolt Size (in)

7/8

Bore size (in)

3.4375 in

Bore Size (in)

3.4375 in

Cage Material

Engineered Polymer

Clearance

C3 STANDARD

Distance between bolt holes (in)

Fixed vs. Expansion

Fixed

Foot Height (in)

2.25

Grease Fitting Thread Size

1/8 NPT

Height

7.88

Housing Cast Face to Outermost Bearing Face (in)

0.94

Housing coating

Powder coated

Housing Coating

POWDER COATED

Housing Color

Black

Housing construction

Solid

Housing Construction

Solid

Housing material

Cast iron

Housing Material

Cast Iron

Housing style

Pillow block

Housing Style

Pillow Block

Housing type

Pillow Block, Two Bolt

Housing Type

Pillow Block, Two Bolt

Inner Ring Outside Diameter (in)

3.975

Insert

2307U

Length

13.50

Length Through Bore (in)

4.38

Locking collar outside diameter (in)

4.91

Locking device kit

SC10

Locking Device Kit

SC10

Locking Type

Single Set Collar

Lubrication type

EXXON RONEX MP STD

Lubrication Type

EXXON RONEX MP STD

Maximum Speed (RPM)

1700 rpm

Maximum Temperature (C)

107

Maximum Temperature (F)

225

Microlock kit

ML4

Misalignment Capability

±2.0° Misalignment - Dynamic

Misalignment Type

Dynamic

Net Weight

38.00

Overall Length (in)

Overall width

4.38

Primary seal

BUNA SGL lip light contact

Primary Seal

BUNA SGL LIP LIGHT CONTACT

Radial Dynamic Load Capacity (lb)

84330 lb

Radial Static Load Capacity (lb)

90700 lb

Retainer material

Engineered Polymer

Retainer Material

Engineered Polymer

Rolling element

Spherical Roller

Seal kit

KS10

Series

Solid-housed Pillow Blocks

Setscrew torque (in-lbs)

680

Size code

Size Code

Slot Length (in)

1.63

Unit of dimension

Unit of Dimension

Vibration frequency fundamental train

0.0073 cps

Vibration Frequency Fundamental Train

0.0073 cps

Vibration frequency inner ring defect

0.1784 cps

Vibration Frequency Inner Ring Defect

0.1784 cps

Vibration frequency outer ring defect

0.1383 cps

Vibration Frequency Outer Ring Defect

0.1383 cps

Vibration frequency roller spin

0.0628 cps

Vibration Frequency Roller Spin

0.0628 cps

Volume

2.301

Volume unit

GLL

Volume Unit

GLL

Weight unit

Width

5.00

3 7/16" Mounted Spherical Roller Bearing, Cast Iron Fixed 2-Bolt Pillow Block, Single Setscrew Locking Collar, Single Lip Light Contact Seal

SKU: 523062

Rexnord idler pulley

Great pricing and fast shipping A +++++++++

SKU: 495479

Good orice

This stump grinder wheel bearing is expensive and I need two each time I change them. Best price I found anywhere and free shipping here at MRO Supply

SKU: 495540

Jose

Really good customer service

SKU: 1303956

Great service-fast shipping

Awesome service. I would highly recommend doing business with MRO! Price was cheapest anywhere

How do I choose the right type of bearing for my application?

Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.

When will I be charged for my order?

Do you provide credit terms?

Can I get a discounted price? I am a reseller / government entity.

What is the return/warranty policy?

Can it be shipped today?

Does “Usually ships in 24 hours” mean it’s in stock?

Read full FAQ

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Reviews

SKU: 523062

Rexnord idler pulley

Great pricing and fast shipping A +++++++++

SKU: 495479

Good orice

This stump grinder wheel bearing is expensive and I need two each time I change them. Best price I found anywhere and free shipping here at MRO Supply

SKU: 495540

Jose

Really good customer service

SKU: 1303956

Great service-fast shipping

Awesome service. I would highly recommend doing business with MRO! Price was cheapest anywhere

Rex KA2307 2000 series normal duty mounted spherical roller bearing with 3-7/16 in (87.31 mm) bore. Cast iron fixed 2-bolt pillow block housing, single setscrew locking collar, and single lip light contact seal. Designed for self-alignment and reliable performance under moderate loads.

Return policy