Plummer and Pillow Blocks

Cross Ocean – Cross Loc Plummer and Pillow Blocks

This proprietary CROSSLOC™ adapter mount system uses cap screws to conveniently mount and dismount bearing from one side. To mount, tighten the cap screws in a star pattern, then loosen to dismount. It just takes a hex key. It’s ideal for commercial shafts that are undersized and holds with complete shaft contact.

The CROSSLOC™ Plummer Block system makes mounting and dismounting the adapter sleeve a breeze.

Simply tighten the cap screws as shown. It just takes a hex key. There are no feeler gauges available.

Since it does no harm to the shaft and holds concentrically even with undersized shafting, the adapter sleeve is the safest way to lock onto it.

More than any other locking mechanism, CROSSLOC™ contacts the most shaft area. The full contact of the adapter sleeve reduces vibration.

The new generation SN Plummer Blocks

CX2SN is a two-letter abbreviation for

Two-bolt SN dimension pillow block housing for CROSSLOC™ spherical roller bearing.

Standard SN plummer block products are 100 percent compliant with CX2SN. It comes shaft-ready, fully assembled, and lubricated from the factory. It is six times easier to install than regular SN plummer blocks.

The new generation SAF Plummer Blocks

NEW CROSSLOC™ spherical roller bearing with two and four bolt SAF dimension pillow block housing is now available.

Normal SAF plummer block products are fully compliant with CX2SAF and CX4SAF. It comes shaft-ready, fully assembled, and lubricated from the factory. It is six times easier to install than normal SAF plummer blocks.

CROSSLOC™ Plummer housings with a bore size greater than 125mm and a bore size of 4-15/16′′ have six cap screws and an eye bolt on the end.

The adapter mount is, in our opinion, the best locking mechanism for installed bearing units. It’s perfectly concentric and keeps the shaft in place with the sleeve’s length. This CROSSLOC™ made adapter mount installation simpler, which is often a problem with regular adapter mounts. So, how do we use CROSSLOC™ to replace the setscrew lock? To accommodate CROSSLOC™ units, they are one size larger than setscrew lock units.

The adapter mount is the best locking mechanism for mounted bearing systems, in our opinion. It’s completely concentric, and the length of the sleeve holds the shaft in place. This CROSSLOC™ technology made adapter mount installation easier, which is a common issue with standard adapter mounts. So, how do we replace the setscrew lock with CROSSLOC™?

That means the mounting pitches and centre heights are different. This request can be addressed by CROSSLOC™ CXC.

The O.D. size of the CROSSLOC™ CXC bearing is the same as that of the CS setscrew lock cylindrical bore inserts. It has a smaller outside diameter than CROSSLOC™ CX inserts for SN and SAF housings. For CROSSLOC™ CXC, we use the original thinner wall lower angle tapered sleeve to match the dimensions of CS setscrew lock inserts. The CROSSLOC™ CX mechanism is as easy as tightening and loosening cap screws to lock and unlock. CROSSLOC™ has a sleeve length that allows it to touch the shaft concentrically while preventing vibration and burrs. Anyone can easily install and dismount the locking mechanism using the cap screws. It does not necessitate labelling the inner ring or counting the number of turns the lock nut makes.

Difference between COC Blocks and SN Blocks


COC Blocks Sn Blocks

Both these units are interchangeable and in-fact, COC Blocks are more precise and more accurate than Sn Blocks


A single piece ready to mount housing	A block, A Bearing, a sleeve, Locating Ring, Oil Seals and many smaller parts to be assembled before it can be put to final use.

Seal Types
The stainless steel flinger makes contact with the triple lip seal, not the shaft or inner ring. In misaligned conditions, it maintains a steady seal pressure. Depending on the speed of application, the grease in the CX2SN bearing purges. This seal allows the excess grease to escape as the RPMs increase, enabling it to operate at lower temperatures.	The seal lip rubs against the shaft, causing the shafting to be damaged. When there is a misalignment, the seal pressure may be reduced. Since the SN bearing has a larger gap, more grease is needed. The SN bearing’s seal nature prevents excess grease from being quickly purged, causing it to operate at a higher temperature all of the time.
Locking Styles
Holds with Long Sleeve	Hold with Short Sleeve

Install
To lock, tighten the cap screw in a star pattern.	Using feeler gauges, check the clearance. Tighten the lock nut until the clearance in the chart is reached. Bend a lock washer tub

Remove
Easy to remove To remove the cap screws, loosen them in a star pattern.	Difficult to Remove To break the lock nut, loosen it and strike it with a hammer. To loosen a pulley, use a pulley puller.

Tools
Torque wrench with hex key (recommended) There will be no bending of tabs or labelling on the nut.	wrench with a spanner Drift and hammer Charts and feeler gauges

Lubrication
greased and sealed at the factory	The user must purchase and pack grease. Since SN Plummer Block has a larger hole, it needs 4 times the grease of CX2SN.