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Timken Company   
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Item Details
Part#: Part#: YCJ1 3/8SGT
Item#: 102187310
Manufacturer: Timken Company
Weight: 3.4 lbs.
Product Name: YCJ-SGT Series 4-Bolt Flange Unit
Description: 4-Bolt Flange; 1 3/8" Shaft Size; 3 5/8" Bolt Spacing; 17/32" Flange Thickness; Setscrew Locking Collar; Cast Iron - Epoxy Coated Housing
Price: $95.95
Inventory: In stock
Order Qty:
Find Similar Part i

Inch/MetricInchFlange Type4-Bolt Flange
Shaft Dia. [Min]Shaft Dia. [Max]
Shaft Dia.1 3/8 inMounted Unit DutyCorrosion Resistant-Duty
Bearing TypeBall BearingLocking DeviceSetscrew Locking Collar
Housing Length4 5/8 inBolt Hole Spacing3 5/8 in
Bolt Circle Dia.5 1/8 inBearing DesignNon-Expansion
End TypeOpen EndHousing Construction1 Piece
Housing MaterialCast Iron - Powder CoatedLubricationRelubricatable
Seal TypeContact SealsCenter of Bearing to Back of Flange Unit
Radial Internal Clearance SpecificationSeries
Axial Load [Max]Axial Load
Bearing Cavity Dia.Bearing Clearance
Bearing InsertGY1106KRRB SGTBolt Hole Size
Bolt Size1/2 inCenter Line to Base Dimension [Min]
Center Line to Base Dimension [Max]Center Line to Base Dimension
Center of Bearing to Back of Inner RingCenter of Bearing to Front of Inner Ring1 7/16 in
Collar ExtensionCollar O.D.1.843 in
ColorCounterbore Dia.
Dynamic Load RatingFlange Style
Flange Thickness 17/32 inHousing Height4 5/8 in
Housing No.Housing Width1.254 in
Insert TypeLength Through Bore1 25/32 in
Location Spigot NLocation Spigot V
Lub Fitting TypeMisalignment Range
Outer Ring Size207Overall Width1.927 in
Pilot DepthPilot Diameter [Min]
Pilot Diameter [Max]Pilot Diameter
RPM [Min]RPM [Max]
RPMSize Code
Special FeaturesStatic Load Rating [Max]
Temperature Range [Min]Temperature Range [Max]
Total Float  

Product Information
Timken has introduced one of the easiest-to-install housed units available. It features a conventional setscrew, but provides shaft protection and prolongs the life of the shaft - no nicks, raised metal or permanent shaft damage. You'll find Timken's patented shaft guarding technology where production uptime is critical and shaft replacement is expensive. Where traditional setscrew products rely on the setscrews to dig into the shaft to maintain grip, Timken's shaft guarding technology transfers the pressure of the setscrews through a stainless steel, hardened band. This absorbs the problems encountered from relative motion typically associated with setscrew product. The stainless band will not corrode the shaft. Shaft guarding technology exceeds gripping application requirements, maintains dimensional integrity and reduces fretting corrosion. It locks to the shaft like a traditional setscrew, but with new benefits.
The Fafnir YCJ flange cartridges are basically the same design as the RCJ series except they use specially designed setscrews rather than the concentric collar as the shaft locking device. All YCJ units are equipped with GY-KRRB wide inner ring, setscrew bearings. The spherical O.D. of these bearings mounted in corresponding machined housing seats praovides the initial self-alignment. Bolt hole spacing dimensions are interchangeable with most competitive units as well as the Fafnir RCJ series. These units are factory prelubricated, but a grease fitting is provided for relubrication if required. Special Feature Benefits Fafnir® curl - Mechanical attachments of seal is secure, resisting "pop-out" during re-lube and inhibiting spinning of the seal in the outer ring seal groove. Seal material - Buna-N rubber has cotton fiber, embedded to wick oil, which enhances lubrication and improves sealing integrity. Super-finished raceways - Even surfaces reduce friction, leading to cooler, quieter running and longer life. Hardened and ground seal land - Seal protected from inner ring abrasion, resulting in less wear (longer life) and prolonged seal integrity. Grade 10 balls - Quiet and smoother-running bearings resulting from higher specification steel and improved roundness. Double-filtered polyurea grease - Particles that can cause noise in application are removed. Improved lubrication cleanliness also leads to superior performance at higher speeds. 6/6 nylon heat stabilized retainer - Excellent misalignment capability. Resists size changes and moisture trapping. Non-corrosive and self-lubricating, as well as resistant to abrasion, wear and most solvents. Special quality steel - Fewer carbides, inclusions and voids result in reduced risk of stress risers that can cause premature fatigue. Powder coat finish - Chipping, scratching and subsequent exposure to parent metal is reduced, helping to prevent corrosion. Housing - Better grease purge throughout the bearing due to reduced risk of grease purge at outer diameter.
  • Agriculture
  • Fans and blowers
  • Food processing
  • Conveyors
  • Rubber and plastic
  • Forest products (paper, tissue, news print, fine paper)
  • Industrial machinery (fans and blowers, canning and bottling, conveyors, food, printing presses, packaging, textiles)
  • Agriculture (combines, implements)
  • Timken offers a complete line of application-specific, custom-formulated lubricants that help bearings and components operate efficiently in industrial environments. High-temperature, anti-wear, and water-resistant additives offer superior protection in the harshest conditions. You can turn to Timken for all the friction management products you need to extend life, boost productivity, and reduce down time.
  • Features
  • Two setscrews and nylon patch at 90° separation provide maximum holding capability with minimal distortion
  • Groove running beneath the setscrews in inner ring bore to keep the band in place
  • Hardened stainless steel band protects the shaft from damage
  • Longer inner ring the shaft (ABMA complaint) improves shaft support and reduces bearing misalignment
  • Available with Timken thin-dense chrome option
  • Seal options include three-piece "R" seal for normal- to high-contamination environments and "L" seal for higher speeds and temperatures
  • Choice of housing configurations
  • Benefits
  • Faster and easier installation and removal
  • Reduces number of shaft replacements
  • Requires less shaft preparation
  • Reduces system costs

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