Stop searching, install MROSupply Smart Check and see our price instantly wherever you browse.

Download Now

Add products to your shopping cart
Know When You’re Overpaying
The MROSupply Chrome Extension instantly alerts you when the part you’re viewing is available for less at MROSupply.
Download Now
We never track your browsing or search history
We never sell your data to third parties
10430210

Image for Illustration purposes only. Actual product may vary

View in markdown

Rex MB3315 3000 series normal duty round flange cartridge spherical roller bearing with 3-15/16 in (100.01 mm) bore. Cast iron housing with spring-loaded heavy contact lip (M) seal. Compact flange-mounted cartridge unit for industrial applications.

MODEL 10430210

BRAND

SKU

504597

WEIGHT

56.000 lb

UOM

each

UPC

698210910617

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

$2,641.82 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable: See conditions

Ability to Relubricate

Yes

Available end cap

DTC11

Available End Cap

DTC11

Available Seal Type

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

Bearing Brand

REX ROLLER BEARING

Bearing housing

FLANGE BLOCK 4 BOLT SQUARE RB

Bearing housing material

Cast iron

Bearing Type

Spherical roller brg

Bolt circle radius (in)

5 3/8 in

Bolt Circle Radius (in)

5 3/8 in

Bolt hole circle diameter (in)

10 3/4 in

Bolt Hole Circle Diameter (in)

10 3/4 in

Bolt Size (in)

3.9375 in

Bore length (in)

5 3/16 in

Bore Length (in)

5 3/16 in

Bore Size (in)

3.9375 in

C dynamic load rating

130970 lb

Cage Material

Engineered Polymer

Clearance

C3 STANDARD

Co static load rating

137000 lb

Distance between bolt holes (in)

7 19/32 in

Distance Between Bolt Holes (in)

7 19/32 in

Distance from housing cast face to inner ring long hub face (in)

1 1/16 in

Distance from Housing Cast Face to Inner Ring Long Hub Face (in)

1 1/16 in

Fixed expansion

Fixed

Fixed vs. Expansion

Fixed

Foot Height (in)

1.13

Grease fitting size

1/8 NPT

Grease Fitting Thread Size

1/8 NPT

Height

6.25

Housing Cast Face to Outermost Bearing Face (in)

1.06

Housing coating

Powder coated

Housing Coating

POWDER COATED

Housing Construction

Solid

Housing Material

Cast Iron

Housing Style

Flange Block

Housing Type

Flange, Four Bolt

Housing width (in)

9 3/4 in

Housing Width (in)

9 3/4 in

Inner ring hub diameter (in)

4 9/16 in

Inner Ring Hub Diameter (in)

4 9/16 in

Inner Ring Outside Diameter (in)

4.561

Insert

3315U

Length

9.69

Length Through Bore (in)

5.19

Locking collar outside diameter (in)

5 5/8 in

Locking Collar Outside Diameter (in)

5 5/8 in

Locking device kit

SC3315

Locking Device Kit

SC3315

Locking Type

Eccentric

Lubrication type

EXXON RONEX MP STD

Lubrication Type

EXXON RONEX MP STD

Max Speed

1200 RPM

Max temperature (°F (°C))

225 (107) F (C)

Maximum Speed (RPM)

1200 rpm

Maximum Temperature (C)

107 C

Maximum Temperature (F)

225 F

Microlock kit

ML4

Microlock Kit

ML4

Misalignment Capability

±2.0° Misalignment - Dynamic

Misalignment Type

Dynamic

Mounted clearance

C3 standard

Mounting bolt size (in)

7/8 in

Mounting Bolt Size (in)

7/8 in

Mounting pad height (in)

1 3/16 in

Mounting Pad Height (in)

1 3/16 in

Net Weight

56.00

Overall Length (in)

9.75

Overall width

9.75

Primary seal

Buna spring loaded lip seal

Primary Seal

BUNA SPRING LOADED LIP SEAL

Radial Dynamic Load Capacity (lb)

130970 lb

Radial Static Load Capacity (lb)

137000 lb

Retainer Material

Engineered Polymer

Retainer type

Engineered polymer

Seal kit

MS11

Seal Kit

MS11

Seal Type

Heavy Contact Seal

Service instructions

BR3-001 REX 2, 3, 5, 6, 9000

Setscrew torque (in-lbs)

460 in/lbs

Setscrew Torque (in-lbs)

460 in/lbs

Shaft diameter (in)

3 15/16 in

Shaft locking

Eccentric locking collar

Size code

11

Size Code

11

Standoff distance (in)

1/4 in

Standoff Distance (in)

1/4 in

Threaded cover kit

TC11

Type of seal

Spring loaded heavy contact seal

Unit of dimension

in

Unit of Dimension

IN

Vibration frequency fundamental train

0.0071 cps

Vibration Frequency Fundamental Train

0.0071 cps

Vibration frequency inner ring defect

0.1717 cps

Vibration Frequency Inner Ring Defect

0.1717 cps

Vibration frequency outer ring defect

0.1283 cps

Vibration Frequency Outer Ring Defect

0.1283 cps

Vibration frequency roller spin

0.0548 cps

Vibration Frequency Roller Spin

0.0548 cps

Volume

2.539

Volume unit

GLL

Volume Unit

GLL

Weight unit

LB

Width

9.69

  • Rex MB3315 Spherical Roller Bearings ZB3000 Flange Block. Contact Rexnord for more details.

SKU: 5786601

Good

Good

Read more

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

Read more

SKU: 478599

Excellent

very fast, very good!!! A+++

Read more

SKU: 1298577

Falk ltg

Fast convenient shopping. Highly recommend. Prompt shipping. 👍🏼

Read more

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.

Reviews

SKU: 5786601

Good

Good

Read more

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

Read more

SKU: 478599

Excellent

very fast, very good!!! A+++

Read more

SKU: 1298577

Falk ltg

Fast convenient shopping. Highly recommend. Prompt shipping. 👍🏼

Read more

Return policy

Item must be unused.

Item must be in it's original package.

Rexnord or MROsupply will not accept any returns under a $250 value