Rexnord ZB2108S 1 1/2" Mounted Spherical Roller Bearing, Fixed Cast Iron 3-Bolt Round Flange Block with Pilot, Single Setscrew Locking Collar, Clearance Seal

Ability to Relubricate

Yes

Available end cap

DTC4

Available End Cap

DTC4

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

Bolt circle radius (in)

2 1/2 in

Bolt Circle Radius (in)

2 1/2 in

Bolt hole circle diameter (in)

5 in

Bolt Hole Circle Diameter (in)

5 in

Bolt Size (in)

1.5 in

Bore length (in)

2 7/8 in

Bore Length (in)

2 7/8 in

Bore size (in)

1.5 in

Bore Size (in)

1.5 in

Cage Material

Engineered Polymer

Clearance

C3 STANDARD

Distance between bolt holes (in)

4 21/64 in

Distance Between Bolt Holes (in)

4 21/64 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 vs. Expansion

Fixed

Foot Height (in)

0.63

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 Construction

Solid

Housing material

Cast iron

Housing Material

Cast Iron

Housing Outside Diameter (in)

6.25

Housing style

Flange block

Housing Style

Flange Block

Housing type

Flange, Three Bolt, Pilot

Housing Type

Flange, Three Bolt, Pilot

Inner ring hub diameter (in)

1 3/4 in

Inner Ring Hub Diameter (in)

1 3/4 in

Inner Ring Outside Diameter (in)

1.745

Insert

2108U

Length

6.63

Length Through Bore (in)

2.88

Locking collar outside diameter (in)

2 5/16 in

Locking Collar Outside Diameter (in)

2 5/16 in

Locking device kit

SC4

Locking Device Kit

SC4

Locking Type

Single Set Collar

Lubrication type

EXXON RONEX MP STD

Lubrication Type

EXXON RONEX MP STD

Maximum Speed (RPM)

5250 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

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

5.80

Overall Length (in)

6.25

Overall width

6.25

Pilot diameter (in)

3.5625 in

Pilot Diameter (in)

3.5625 in

Primary seal

Steel clearance seal

Primary Seal

STEEL CLEARANCE SEAL

Radial Dynamic Load Capacity (lb)

19860 lb

Radial Static Load Capacity (lb)

20900 lb

Retainer material

Engineered Polymer

Retainer Material

Engineered Polymer

Rolling element

Spherical Roller

Seal kit

ZS4

Seal Kit

ZS4

Seal type

Labyrinth Seal

Seal Type

Labyrinth Seal

Setscrew torque (in-lbs)

325 in/lbs

Setscrew Torque (in-lbs)

325 in/lbs

Size code

4

Size Code

4

Standoff distance (in)

1/32 in

Standoff Distance (in)

1/32 in

Unit of dimension

in

Unit of Dimension

IN

Vibration frequency fundamental train

0.0070 cps

Vibration Frequency Fundamental Train

0.0070 cps

Vibration frequency inner ring defect

0.1445 cps

Vibration Frequency Inner Ring Defect

0.1445 cps

Vibration frequency outer ring defect

0.1055 cps

Vibration Frequency Outer Ring Defect

0.1055 cps

Vibration frequency roller spin

0.0499 cps

Vibration Frequency Roller Spin

0.0499 cps

Volume

0.713

Volume unit

GLL

Volume Unit

GLL

Weight unit

LB

Width

3.75