Rexnord MB2012R48 3/4" Mounted Spherical Roller Bearing, Fixed Cast Iron 3-Bolt Round Flange Block, Single Setscrew Locking Collar, Spring Loaded Heavy Contact Seal

Ability to Relubricate

Yes

Available seal type

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

Available Seal Type

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

Bearing Brand

REX ROLLER BEARING

Bearing housing

FLANGE BLOCK 3 BOLT ROUND

Bearing housing material

Cast iron

Bearing Type

Spherical roller brg

Bolt circle radius (in)

2 1/16 in

Bolt Circle Radius (in)

2 1/16 in

Bolt Size (in)

0.75 in

Bore length (in)

2 9/16 in

Bore Length (in)

2 9/16 in

Bore Size (in)

0.75 in

C dynamic load rating

15320 lb

Cage Material

Engineered Polymer

Clearance

C3 STANDARD

Co static load rating

14900 lb

Distance between bolt holes (in)

3 37/64 in

Distance Between Bolt Holes (in)

3 37/64 in

Distance from housing cast face to locking feature face (in)

9/16 in

Distance from Housing Cast Face to Locking Feature Face (in)

9/16 in

Fixed expansion

Fixed

Fixed vs. Expansion

Fixed

Foot Height (in)

0.56

Grease fitting size

1/8 NPT

Grease Fitting Thread Size

1/8 NPT

Height

3.25

Housing Cast Face to Outermost Bearing Face (in)

0.53

Housing coating

Powder coated

Housing Coating

POWDER COATED

Housing Construction

Solid

Housing Material

Cast Iron

Housing Outside Diameter (in)

5.13

Housing Style

Flange Block

Housing Type

Flange, Three Bolt

Inner ring hub diameter (in)

1 5/16 in

Inner Ring Hub Diameter (in)

1 5/16 in

Inner Ring Outside Diameter (in)

1.307

Insert

2012UR

Length

5.50

Length Through Bore (in)

2.56

Locking collar outside diameter (in)

1 3/4 in

Locking Collar Outside Diameter (in)

1 3/4 in

Locking device kit

SC2

Locking Device Kit

SC2

Locking Type

Single Set Collar

Lubrication type

EXXON RONEX MP STD

Lubrication Type

EXXON RONEX MP STD

Max Speed

4400 RPM

Max temperature (°F (°C))

225 (107) F (C)

Maximum Speed (RPM)

4400 rpm

Maximum Temperature (C)

107 C

Maximum Temperature (F)

225 F

Microlock kit

ML2

Microlock Kit

ML2

Misalignment Capability

±2.0° Misalignment - Dynamic

Misalignment Type

Dynamic

Mounted clearance

C3 standard

Mounting bolt size (in)

3/8 in

Mounting Bolt Size (in)

3/8 in

Mounting pad height (in)

9/16 in

Mounting Pad Height (in)

9/16 in

Net Weight

4.30

Overall Length (in)

4.75

Overall width

4.75

Primary seal

Buna spring loaded lip seal

Primary Seal

BUNA SPRING LOADED LIP SEAL

Radial Dynamic Load Capacity (lb)

15320 lb

Radial Static Load Capacity (lb)

14900 lb

Retainer Material

Engineered Polymer

Retainer type

Engineered polymer

Seal kit

MS2

Seal Kit

MS2

Seal Type

Heavy Contact Seal

Service instructions

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

Setscrew torque (in-lbs)

185 in/lbs

Setscrew Torque (in-lbs)

185 in/lbs

Shaft diameter (in)

3/4 in

Shaft locking

Single set collar

Size code

2

Size Code

2

Standoff distance (in)

1/32 in

Standoff Distance (in)

1/32 in

Threaded cover kit

TC2

Type of seal

Spring loaded heavy contact seal

Unit of dimension

in

Unit of Dimension

IN

Vibration frequency fundamental train

0.0068 cps

Vibration Frequency Fundamental Train

0.0068 cps

Vibration frequency inner ring defect

0.1286 cps

Vibration Frequency Inner Ring Defect

0.1286 cps

Vibration frequency outer ring defect

0.0880 cps

Vibration Frequency Outer Ring Defect

0.0880 cps

Vibration frequency roller spin

0.0406 cps

Vibration Frequency Roller Spin

0.0406 cps

Volume

0.426

Volume unit

GLL

Volume Unit

GLL

Weight unit

LB

Width

5.50