Moline Bearing
2-3/4 M3000 2-BOLT PILLOW BLOCK EXPANSION WITH LABYRINTH SEALS
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M3000·2-Bolt Pillow Block

2-3/4 M3000 2-BOLT PILLOW BLOCK EXPANSION WITH LABYRINTH SEALS

19621212L

The 2 3⁄4" M3000 2-Bolt Pillow Block Expansion Bearing with Labyrinth Seals is Moline Bearing Company part 19621212L: an Even-Lok™ mounted spherical roller bearing with a balanced steel labyrinth seal and a single collar Even-Lok insert in a painted solid Class 30 cast iron housing. Dynamic load rating 47,700 lbf, maximum speed 3,300 rpm. Made in the USA, shipped assembled, sealed and lubricated, ready to install.

  • Custom Colors, Powder Coating, Stainless Steel Coating, Nickel Plating, Epoxy Coatings, and Teflon Coatings can be quoted upon request.
Part Number
19621212L
Series
M3000
Housing Type
2-Bolt Pillow Block
Shaft Size
2 3⁄4" (2.75″ / 69.85 mm)
Expansion / Non-Expansion
Expansion
Weight
22.1 lb
Insert Number
ABSY 22215-212
PDF Catalog
Static Load
54000 lbf
Dynamic Load
47700 lbf
Grease Fitting Size
1/8-27 NPT
Set Screw Torque
620 in-lbs
Open End Cap Part #
18621211
Closed End Cap Part #
18620215
Angular Misalignment (Degrees)
1.5
Product Family
Mounted Roller Bearing
Rolling Element
Spherical Roller
Housing Construction
Solid
Insert Material
Steel
Locking Style
Even-Lok
Lubrication Type
Lithium Complex Grease
Housing Material
Class 30 Cast Iron
Seal Type
Balanced Steel Labyrinth Seal
Seal Type Material
Nitrile
Seal Type Operating Range (F)
0° - 250°
Seal Type Maximum Speed (RPM)
3300
Housing Coating
Standard Painted
Collar Type
Single Collar
M3000 2-Bolt Pillow Block dimensional drawing
ALength Through Bore2 13⁄16
BHousing Base Length10 1⁄2
CHousing Base Width2 13⁄16
DBolt Hole Center to Center8 1⁄8
Min DBolt Hole Center to Center Minimum7 13⁄16
Max DBolt Hole Center to Center Maximum8 7⁄16
FBolt Diameter [Nominal]3⁄4
GBolt Hole Slot Length1 1⁄8
HHousing Base Height2 1⁄4
JOverall Housing Height6 7⁄16
MBase to Center Height3 1⁄4

Product Variants

2-3/4 M3000 2-BOLT PILLOW BLOCK EXPANSION
2-3/4 M3000 2-BOLT PILLOW BLOCK EXPANSION
19621212
2 3⁄4"

2-3/4 M3000 2-BOLT PILLOW BLOCK EXPANSION WITH LABYRINTH SEALS

The 2 3⁄4" M3000 2-Bolt Pillow Block Expansion Bearing with Labyrinth Seals is Moline Bearing Company part 19621212L: an Even-Lok™ mounted spherical roller bearing in the expansion position. It is fitted with a balanced steel labyrinth seal and a single collar, Even-Lok insert, in a solid Class 30 cast iron housing with a standard painted finish.

It carries a genuine SKF® Explorer spherical roller insert and locks to the shaft with Moline's Even-Lok™ concentric system, which grips nearly 360° of the shaft instead of at set-screw points, reducing fretting and slippage. A Hex-L key for mounting and dismounting ships with it. M3000 housings are made in the USA, and the units are assembled here.

It ships assembled, adjusted, sealed and pre-lubricated with lithium complex grease, so it mounts straight from the box with no adjustment or cleaning.

Ratings

The dynamic load rating is 47,700 lbf and the static load rating is 54,000 lbf. Maximum speed is 3,300 rpm with the balanced steel labyrinth seal fitted, and the seal is rated for 0° to 250°F. The insert accepts up to 1.5° of angular misalignment. Set screws torque to 620 in-lbs. The grease fitting is 1/8-27 NPT.

Mounting dimensions

  • Base to center height: 3 1⁄4 in
  • Bolt hole centers: 8 1⁄8 in (slots allow 7 13⁄16 to 8 7⁄16 in), for 3⁄4 in bolts
  • Housing base: 10 1⁄2 × 2 13⁄16 in
  • Overall height: 6 7⁄16 in
  • Length through bore: 2 13⁄16 in
  • Shipping weight: 22.1 lb

The full dimension table and the datasheet drawing are above.

This configuration

  • Expansion. This position lets the shaft move lengthwise as it heats and grows. Pair it with a non-expansion bearing at the other end. The matching non-expansion unit for this shaft size is 19721212L.
  • Balanced Steel Labyrinth Seal. A non-contact seal using a maze-like gap rather than a rubbing lip. No friction and no lip wear, so it suits high speed and high temperature.
  • Single Collar. One locking collar secures the insert to the shaft. Standard for unidirectional rotation and steady loads.
  • Even-Lok. Moline's concentric locking system, which clamps the insert evenly around the shaft rather than at set-screw points. Improves concentricity and holding power versus set screws.

The same size is also built as 19621212 (double-lip contact seals).

Replacement parts

The bearing insert is ABSY 22215-212. Open end cap 18621211 and closed end cap 18620215 fit this housing.

Applications

M3000 units are for drives that need expansion and misalignment capability, or where vibration, slippage or fretting corrosion are present. Moline Bearing Company lists conveying, screening, air handling, industrial laundries and high-speed fans among the industries that run them. It is dimensionally interchangeable with comparable spherical roller bearing units, including Moline's M2000 line.