Rexnord ZB2112 1 3/4" Mounted Spherical Roller Bearing, Fixed Cast Iron 4-Bolt Round Flange Block, Single Setscrew Locking Collar, Clearance Seal

Ability to Relubricate

Yes

Available end cap

DTC5

Available End Cap

DTC5

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 round

Bearing housing material

Cast iron

Bearing Type

Spherical roller brg

Bolt circle radius (in)

2 3/4 in

Bolt Circle Radius (in)

2 3/4 in

Bolt hole circle diameter (in)

5 1/2 in

Bolt Hole Circle Diameter (in)

5 1/2 in

Bolt Size (in)

1.75 in

Bore length (in)

3 1/8 in

Bore Length (in)

3 1/8 in

Bore Size (in)

1.75 in

C dynamic load rating

27820 lb

Cage Material

Engineered Polymer

Clearance

C3 STANDARD

Co static load rating

28700 lb

Distance between bolt holes (in)

3 57/64 in

Distance Between Bolt Holes (in)

3 57/64 in

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

11/16 in

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

11/16 in

Fixed expansion

Fixed

Fixed vs. Expansion

Fixed

Foot Height (in)

0.63

Grease fitting size

1/8 NPT

Grease Fitting Thread Size

1/8 NPT

Height

6.63

Housing Cast Face to Outermost Bearing Face (in)

0.69

Housing coating

Powder coated

Housing Coating

POWDER COATED

Housing Construction

Solid

Housing Material

Cast Iron

Housing Outside Diameter (in)

6.75

Housing Style

Flange Block

Housing Type

Flange, Four Bolt

Inner ring hub diameter (in)

2 1/32 in

Inner Ring Hub Diameter (in)

2 1/32 in

Inner Ring Outside Diameter (in)

2.027

Insert

2112U

Length

6.63

Length Through Bore (in)

3.13

Locking collar outside diameter (in)

2 19/32 in

Locking Collar Outside Diameter (in)

2 19/32 in

Locking device kit

SC5

Locking Device Kit

SC5

Locking Type

Single Set Collar

Lubrication type

EXXON RONEX MP STD

Lubrication Type

EXXON RONEX MP STD

Max Speed

4450 rpm

Max temperature (°F (°C))

225 (107) F (C)

Maximum Speed (RPM)

4450 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)

1/2 in

Mounting Bolt Size (in)

1/2 in

Mounting pad height (in)

5/8 in

Mounting Pad Height (in)

5/8 in

Net Weight

8.40

Overall Length (in)

6.75

Overall width

6.75

Primary seal

Steel clearance seal

Primary Seal

STEEL CLEARANCE SEAL

Radial Dynamic Load Capacity (lb)

27820 lb

Radial Static Load Capacity (lb)

28700 lb

Retainer Material

Engineered Polymer

Retainer type

Engineered polymer

Seal kit

ZS5

Seal Kit

ZS5

Seal Type

Labyrinth Seal

Service instructions

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

Setscrew torque (in-lbs)

325 in/lbs

Setscrew Torque (in-lbs)

325 in/lbs

Shaft diameter (in)

1 3/4 in

Shaft locking

Single set collar

Size code

5

Size Code

5

Standoff distance (in)

1/32 in

Standoff Distance (in)

1/32 in

Threaded cover kit

TC5

Type of seal

Clearance seal

Unit of dimension

in

Unit of Dimension

IN

Vibration frequency fundamental train

0.0069 cps

Vibration Frequency Fundamental Train

0.0069 cps

Vibration frequency inner ring defect

0.1361 cps

Vibration Frequency Inner Ring Defect

0.1361 cps

Vibration frequency outer ring defect

0.0972 cps

Vibration Frequency Outer Ring Defect

0.0972 cps

Vibration frequency roller spin

0.0466 cps

Vibration Frequency Roller Spin

0.0466 cps

Volume

0.713

Volume unit

GLL

Volume Unit

GLL

Weight unit

LB

Width

3.75