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Technical Data Sheet

RCJ1 3/4 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

RCJ1 3/4: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: CONTACT, bore_diameter: 1.7500 INCHES NOMINAL IN, housing_width: 5.3750 INCHES NOMINAL IN, seal_location: BOTH ENDS, alignment_type: SELF-ALIGNING. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-113-6284, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
RCJ1 3/4
NSN: 3130-00-113-6284
FSC: 3130 — Bearings, Mounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
seal_typeCONTACT
bore_diameter1.7500 INCHES NOMINAL IN
housing_width5.3750 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
housing_length1.6250 INCHES NOMINAL IN
collar_locationONE END
flange_thickness0.6875 INCHES NOMINAL IN
style_designatorFLANGE BLOCK
features_providedGROUND ROLLING ELEMENT GROOVE
bolt_circle_diameter4.1250 INCHES NOMINAL IN
NSN3130-00-113-6284
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: RCJ1 3/4 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: OIL
•
LUBRICATION FITTING TYPE: PIPE PLUG
•
ASSEMBLY OVERALL LENGTH: 2.3125 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
FLANGE THICKNESS: 0.6875 INCHES NOMINAL IN
•
ROTATING ELEMENT LOCKING METHOD: SETSCREW LOCKING COLLAR
•
SEAL LOCATION: BOTH ENDS
TECHNICAL CHARACTERISTICS
SEAL TYPECONTACT
LUBRICATION MATERIALOIL
LUBRICATION FITTING TYPEPIPE PLUG
ASSEMBLY OVERALL LENGTH2.3125 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
FLANGE THICKNESS0.6875 INCHES NOMINAL IN
ROTATING ELEMENT LOCKING METHODSETSCREW LOCKING COLLAR
SEAL LOCATIONBOTH ENDS
STYLE DESIGNATORFLANGE BLOCK
MOUNTING HOLE DIAMETER0.5938 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
F3Y228NReference document
Same NSN cross-reference
Reference document — Secondary reference
238-1886Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
060-16260Reference document
Same NSN cross-reference
Reference document — Secondary reference
147Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RCJ1 3/4?
RCJ1 3/4 is a BEARING UNIT,BALL.
What parts can replace RCJ1 3/4?
There are 4 known substitutes for RCJ1 3/4: F3Y228N, 238-1886, 060-16260 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RCJ1 3/4?
RCJ1 3/4 is cataloged in the U.S. Government catalog under NSN 3130-00-113-6284. This indicates validated use in U.S. government and defense supply chains.
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