Rex MT125407Y is a 1000 series take-up bearing insert with a 4-7/16" bore. It features a spring-loaded heavy contact lip seal (M-seal) and double setscrew locking collar. The cast iron housing is designed for use in take-up frames, providing reliable support in conveyor and material handling applications.

Ability to Relubricate

Yes

Adjusting screw clearance hole diameter (in)

2.13

Adjusting screw square nut seat height (in)

3.38

Adjustment pad height (in)

6.38

Adjustment slot width (in)

2.13

Allowable Working Load [2/3 Yield Strength] (lb)

53700

Available seal type

M spring loaded heavy contact lip seal (Buna and Viton);Z Clearance Seal;G Triple Lip

Available Seal Type

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

Base to centerline height (in)

8.688

Bearing Brand

REX ROLLER BEARING

Bearing housing

TU blk center pull RB

Bearing housing material

Cast iron

Bearing Type

Spherical roller brg

Bore Size (in)

4.4375 in

C dynamic load rating

149500 lb

Cage Material

Engineered Polymer

Clearance

C3 STANDARD

Co static load rating

159300 lb

Fixed expansion

Fixed

Fixed vs. Expansion

Fixed

Grease fitting size

1/4 NPT

Grease Fitting Thread Size

1/4 NPT

Height

9.88

Housing Cast Face to Outermost Bearing Face (in)

1.06

Housing coating

Powder coated

Housing Coating

POWDER COATED

Housing Color

Black

Housing Construction

Solid

Housing Material

Cast Iron

Housing Outside Diameter to Cast Square Nut Slot Face (in)

9.81

Housing Style

Take-Up Block

Housing Type

Take Up, Wide Slot

Housing width (in)

4.25

Inner Ring Outside Diameter (in)

5.032

Insert

5407YU

Length

17.50

Length Through Bore (in)

6.25

Locking collar outside diameter (in)

6.19

Locking device kit

SC12Y QTY 2

Locking Device Kit

SC12Y QTY 2

Locking Type

Double Set Collar

Lubrication type

EXXON RONEX MP STD

Lubrication Type

EXXON RONEX MP STD

Max Speed

1100 RPM

Maximum Speed (RPM)

1100 rpm

Maximum Temperature (C)

107

Maximum Temperature (F)

225

Microlock kit

ML4

Misalignment Capability

±2.0° Misalignment - Dynamic

Misalignment Type

Dynamic

Mounted clearance

C3 standard

Net Weight

91.00

Overall Length (in)

13.44

Overall width

6.25

Primary seal

Buna spring loaded lip seal

Primary Seal

BUNA SPRING LOADED LIP SEAL

Radial Dynamic Load Capacity (lb)

149500 lb

Radial Static Load Capacity (lb)

159300 lb

Retainer Material

Engineered Polymer

Retainer type

Engineered polymer

Seal kit

MS12Y

Seal type

Heavy Contact Seal

Service instructions

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

Setscrew torque (in-lbs)

1350

Shaft locking

Double set collar

Size code

12

Size Code

12

Slot Length (in)

8

Slot spacing (in)

9.5

Slot Width (in)

2.06

Threaded cover kit

TC12Y

Unit of dimension

in

Unit of Dimension

IN

Vibration frequency fundamental train

0.0072 cps

Vibration Frequency Fundamental Train

0.0072 cps

Vibration frequency inner ring defect

0.1901 cps

Vibration Frequency Inner Ring Defect

0.1901 cps

Vibration frequency outer ring defect

0.1433 cps

Vibration Frequency Outer Ring Defect

0.1433 cps

Vibration frequency roller spin

0.0568 cps

Vibration Frequency Roller Spin

0.0568 cps

Volume

4.769

Volume unit

GLL

Volume Unit

GLL

Weight unit

LB

Width

6.38