CX2SN vs. SN500
SAME DIMENSION
SAME O.D. SIZED BEARING
Ready-to-mount unit
PRODUCT
User assembled
Only one part to order
ORDER
Three or more to order
Triple lip seal contacts with the stainless steel flinger, not the shaft or inner ring. It has constant seal pressure in misaligned conditions.
The grease in CX2SN bearing purges depending on the speed of application. As the RPM’s increse this seal allow the excess grease to excape allowing it to run at lower temperatures.
SEAL
The seal lip rubs against the shaft which leads to damage to the shafting. Diminished seal pressure can also occur when there is misalignment.
The SN bearing has a larger void meaning more grease is needed. The seal design of the SN bearing does not allow excess grease to purge easily meaning that it continually runs at a higher temperature.
CROSSLOC™
Holds with a long sleeve.
LOCKING STYLE
ADAPTER
Holds with a short sleeve.
EASY
- Tighten cap screws in star pattern to lock
INSTALL
DIFFICULT
- Check the clearance with feeler gauges
- Tighten lock nut until the appropriate clearance in chart
- Bend a tub of lock washer
EASY
- Loosen cap screws in star pattern to remove
REMOVE
DIFFICULT
- Untighen lock nut and hit with hammer to remove
- Or Use pulley puller to remove
Hex key
Torque wrench (recommended)
No bending a tab or marking on the nut.
TOOLS
Spanner wrench
Hammer and drift
Feeler gauges and charts
Factory greased and sealed
LUBRICANT
User has to buy and pack grease.
Needs 4 times more grease than CX2SN because SN has a larger void.
Lower total cost of ownership
SAMPLE OF COST COMPARISON BETWEEN CLASSIC SN & CLOSSLOC™ SN
- Cost of classic SN (Total of Plummer Block + SRB + Adapter + Locating Ring + Seals + lubricant) 78%
- Cost of CROSSLOC™ SN (One piece complete unit of sealed bearing with CROSSLOC™) 100%
- Skilled Labour Cost of Mounting classic SN (Assembling parts and installing adapter sleeve with lubricant) 25%
- Cost of Mounting CROSSLOC™ SN (Tightening Cap Screws without skills) 3%
- Skilled Labour Cost of Dismounting classic SN (Disassembling parts, cleaning lubricant and uninstalling adapter sleeve) 21%
- Cost of Dismounting CROSSLOC™ SN (Un-tightening Cap Screws without skills) 2.5%
COMPARISON OF GREASE INITIAL AMOUNT
- SN517 Plummer Block Unit (500 g) 100%
- CROSSLOC™ CX2SN17-075 (132 g) 26%
Using less oil helps the environment.