Rexnord MAS220778 2 7/16" Mounted Spherical Roller Bearing, Cast Iron Expansion 2-Bolt Pillow Block, Single Setscrew Locking Collar, Spring Loaded Heavy Contact Seal, Steel Retainers

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; G Triple Lip

Base Length (in)

9.25

Base to centerline height (in)

2 3/4 in

Base to Centerline Height (in)

2 3/4 in

Base Width (in)

2.69

Bearing Brand

REX ROLLER BEARING

Bolt Size (in)

2.4375 in

Bore length (in)

3 1/2 in

Bore Length (in)

3 1/2 in

Bore size (in)

2.4375 in

Bore Size (in)

2.4375 in

Cage Material

Steel

Clearance

C3 STANDARD

Distance between bolt holes (in)

7 1/8 in

Distance Between Bolt Holes (in)

7 1/8 in

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

7/8 in

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

7/8 in

Expansion Capability (in)

0.38

Expansion lock plug

B224408A

Expansion Lock Plug

B224408A

Fixed vs. Expansion

Expansion

Foot Height (in)

1.63

Grease Fitting Thread Size

1/8 NPT

Height

5.50

Housing Cast Face to Outermost Bearing Face (in)

0.88

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 hub diameter (in)

2 29/32 in

Inner Ring Hub Diameter (in)

2 29/32 in

Inner Ring Outside Diameter (in)

2.901

Insert

MCS2207R78

Length

9.56

Length Through Bore (in)

3.5

Locking collar outside diameter (in)

3 9/16 in

Locking Collar Outside Diameter (in)

3 9/16 in

Locking device kit

SC8

Locking Device Kit

SC8

Locking Type

Single Set Collar

Lubrication type

EXXON RONEX MP STD

Lubrication Type

EXXON RONEX MP STD

Maximum Speed (RPM)

2000 rpm

Maximum Temperature (C)

107 C

Maximum Temperature (F)

225 F

Misalignment Capability

±2.0° Misalignment - Dynamic

Misalignment Type

Dynamic

Mounting bolt hole slot length (in)

1 in

Mounting Bolt Hole Slot Length (in)

1 in

Mounting bolt size (in)

5/8 in

Mounting Bolt Size (in)

5/8 in

Mounting pad height (in)

1 5/8 in

Mounting Pad Height (in)

1 5/8 in

Mounting pad length (in)

9 1/8 in

Mounting Pad Length (in)

9 1/8 in

Mounting pad width (in)

2 11/16 in

Mounting Pad Width (in)

2 11/16 in

Net Weight

16.30

Overall Length (in)

9.13

Overall width

3.5

Primary seal

Buna spring loaded lip seal

Primary Seal

BUNA SPRING LOADED LIP SEAL

Radial Dynamic Load Capacity (lb)

43240 lb

Radial Static Load Capacity (lb)

53500 lb

Retainer material

Steel

Retainer Material

Steel

Rolling element

Spherical Roller

Seal kit

MS8

Seal Kit

MS8

Seal type

Heavy Contact Seal

Seal Type

Heavy Contact Seal

Series

Solid-housed Pillow Blocks

Setscrew torque (in-lbs)

680 in/lbs

Setscrew Torque (in-lbs)

680 in/lbs

Size code

8

Size Code

8

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

0.1791 cps

Vibration Frequency Inner Ring Defect

0.1791 cps

Vibration frequency outer ring defect

0.1376 cps

Vibration Frequency Outer Ring Defect

0.1376 cps

Vibration frequency roller spin

0.0607 cps

Vibration Frequency Roller Spin

0.0607 cps

Volume

0.911

Volume unit

GLL

Volume Unit

GLL

Weight unit

LB

Width

4.00