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

2-3/4 M3000 2-BOLT PILLOW BLOCK NON-EXPANSION

19721212

The 2 3⁄4" M3000 2-Bolt Pillow Block Non-Expansion Bearing is Moline Bearing Company part 19721212: an Even-Lok™ mounted spherical roller bearing with a standard double lip contact 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 2,500 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
19721212
Series
M3000
Housing Type
2-Bolt Pillow Block
Shaft Size
2 3⁄4" (2.75″ / 69.85 mm)
Expansion / Non-Expansion
Non-Expansion
Weight
22.1 lb
Insert Number
ABSY 22215-212
Housing Number
11221215
Download CADPDF 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
Standard Double Lip Contact Seal
Seal Type Material
Nitrile
Seal Type Operating Range (F)
0° - 250°
Seal Type Maximum Speed (RPM)
2500
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 NON-EXPANSION WITH LABYRINTH SEALS
2-3/4 M3000 2-BOLT PILLOW BLOCK NON-EXPANSION WITH LABYRINTH SEALS
19721212L
2 3⁄4"

2-3/4 M3000 2-BOLT PILLOW BLOCK NON-EXPANSION

The 2 3⁄4" M3000 2-Bolt Pillow Block Non-Expansion Bearing is Moline Bearing Company part 19721212: an Even-Lok™ mounted spherical roller bearing in the non-expansion position. It is fitted with a standard double lip contact 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 2,500 rpm with the standard double lip contact 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

  • Non-Expansion. This position holds the shaft axially. Use one non-expansion bearing per shaft to locate it lengthwise. The matching expansion unit for this shaft size is 19621212.
  • Standard Double Lip Contact Seal. Two lips in series, so the second continues to seal if the first is compromised. A step up in dirty conditions.
  • 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 19721212L (labyrinth seals).

Replacement parts

The bearing insert is ABSY 22215-212, and the housing on its own is Moline Bearing Company part 11221215. 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.