IMPERIAL Roller Bearing - Ptplace · Single snap ring movable for expansion Constant pressure...
Transcript of IMPERIAL Roller Bearing - Ptplace · Single snap ring movable for expansion Constant pressure...
IMPERIAL®
• Product overview and offerings
• IMPERIAL advantages
• Interchangeability
• Competitive comparison
• Selection
• TCO Opportunities
• Summary
Product Challenge
Contents
RAPS-339-2
Imperial Product Size
Range
• 2 and 4 bolt pillow blocks
1 1/8” - 5”
• 4 bolt flanges 1
1/8” - 4”
• Piloted flanges 1
1/8” - 5”
• Wide slot take ups
1 1/8” - 4”
• ISAF
1-7/16” - 7”
• ISN (Metric)
30mm - 125mm
Single snap ring
movable for
expansion
Constant
pressure
rubber seal
Aluminiz
ed steel
flinger
Steel
Window type
outer ring
riding cage
Imperial Spherical Roller
Bearings
Patented Imperial Adapter
System
• The world’s only
push to
mount/pull to
demount adapter
mount system
• Single side
access with
positive locking
• Easy and fast
clearance setting
without the use of
feeler gauges
• 15 minute
installation or
removal
• Built-in bearing
puller!
After only 500
hours in
service, a
setscrew
mounted
bearing will
leave shaft
corrosion and
scarring
After 2500 hours
in service the
IMPERIAL
Bearing
demounts quickly
an reveals no
shaft fretting
corrosion or
scarring from
setscrews
Locking Method Reduces Fretting
Steel Cage
Offers
Precision
Roller
Guidance
Patented Nitrile
Multiple Lip
Seal Resists
Heat and
Chemical
Breakdown
Adapter Sleeve
Improves
Concentricity
and Reduces
Inherent
Vibration
Ease in
Mounting
and
Dismounting
Achieved
through
Patented
Adapter
System
Corrosion
Resistant
Flinger
Blocks
Contaminan
ts
Tapered Seal
Land
Maintains Full
Seal Contact
when
Misaligned
Metallic
Clearance
Seal and Steel
Cage provide
High
Temperature
and High
Speed
Capabilities
Imperial Bearing
Insert
Trident triple lip rubbing seal
– Patented seal configuration
– Flinger to shield seal and bearing from
contamination/damage
– Harsh duty auxiliary seal for wet or dirty environments
– Face rubbing and triple lip land riding seals
– Up to 1 degree misalignment with constant seal pressure
– Seal internal to bearing assembly
Labyrinth seal (High Speed / High Temperature)
– Flinger to shield seal and bearing from
contamination/damage
– High speed for relatively clean or hot environments
– 15% increase in maximum speed over standard SAF adapter mounted spherical bearings
– Seal internal to bearing assembly
Imperial is available with two seal
configurations
Imperial Seal
Configurations
IMPERIAL
Shaft centered in
bearing Concentric
gripping force
Commercial shafting
acceptable Ground and
sphered seal surface
Set Screw Mount
Shaft offset in housing bore
Set screws indent and damage
shaft Turned and ground
shafting recommended
IMPERIAL AdvantagesUp to 25% lower operating temperature
Grease limiting speeds 30% greater than set screw Bearing can be removed from service quicklyConstant positive seal contact on ground and
sphered surface
Comparison
Results
Imperial Advantages vs. Set
Screw
DODGE S-2000 Rex ZA
SKF SYR SKF Concentra
Link-Belt Max Mount Link-Belt PB22400
SealMaster Sleevloc
Browning Eccentric Lock
Dimension
ally
Interchang
eable
IMPERIAL IP
SERIES
Imperial
Interchangeability
• Serrated sleeve OD and
bearing bore provide drive-up
surfaces (with 1:3 taper)
• Non-uniform load distribution
results in increased fretting
• SKF speed limits average 74%
of
IMPERIAL / ISAF
• SKF capacities average 85% of
IMPERIAL / ISAF
• Difficult to access removal
screws on backside of product
(especially flange product)
• Difficult to change from
expansion to non-expansion
• Difficult to assemble, 8 times
longer than IMPERIAL as
reported by customers
SKF Concentra
SealMaster
Sleevloc
Competitive
Comparison
• IMPERIAL / ISAF
speed limits average
142% greater
• IMPERIAL / ISAF
capacity average 113%
greater
• SAF type screw-nut-
washer adapter, 1:12
taper
• Similar mounting
method as IMPERIAL
• Spring-disc Type “H”
seal and spring loaded
Type “E” rubber lip
contact seal
• No dismounting
feature
Link-Belt Max
Mount
Competitive
Comparison
B22600
Series
Browning 1001 /
1101
• Eccentric collar - NOT an adapter
mount product
• Housings are Browning’s 1000
cast iron (1001) & 1100 ductile iron
(1101) series housings
• Eccentric locking bearings cannot
be used for reversing applications
• Cam interfaces subject to fretting
and potential fracture
• Force used to lock bearing to the
shaft is subjective
• Speed limits are comparable with
IMPERIAL / ISAF
• Capacities average 84% of
IMPERIAL / ISAF
Competitive
Comparison
• Shipped installation ready and
requires no component assembly
• Clearance setting is accomplished
by turning the nut a specific
distance past the zero point
• All Imperials available in expansion
& non-expansion
TCO Opportunity - Installation
IMPERIAL® Selection
P2B IP
Housin
g StyleBeari
ng
Type
Siz
e
P2B = 2 bolt pillow block
P4B = 4 bolt pillow block
FC = piloted flange
F4S = 4 bolt flange, square
F3R = 3 bolt flange, round
WSTU = wide slot take up
IP =
IMPERIALIn inches
2 = 2” and 16ths
07 = 7/16”
207E
Seal /
Expans
ion
R = Trident
Seal
L=
Labyrinth
Seal
E =
expansion
Non
expansion
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