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7BF81220 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

7BF81220: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: CHAMFERED OUTSIDE LEFT CORNER, overall_length: 1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN, hardness_rating: 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL, special_features: 0.D. CONTAINS BALL INDENTATIONS OF 0.120 IN.

DIA.,0.005 IN. MIN TO 0.010 IN. MAX DEEP IN, style_designator: SPLIT, PLAIN, NO OUTSIDE FLANGES.

This part is cataloged in the U.S. Government catalog under NSN 3120-01-302-9502, 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
7BF81220
NSN: 3120-01-302-9502
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 54209 — IOWA MOLD TOOLING CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeCHAMFERED OUTSIDE LEFT CORNER
overall_length1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
hardness_rating88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
special_features0.D. CONTAINS BALL INDENTATIONS OF 0.120 IN. DIA.,0.005 IN. MIN TO 0.010 IN. MAX DEEP IN
style_designatorSPLIT, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.0040 INCHES MINIMUM AND 2.0090 INCHES MAXIMUM IN
body_outside_diameter2.1910 INCHES NOMINAL IN
NSN3120-01-302-9502
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 7BF81220 · 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
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
BODY OUTSIDE DIAMETER: 2.1910 INCHES NOMINAL IN
•
HARDNESS RATING: 88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
•
STYLE DESIGNATOR: SPLIT, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER2.1910 INCHES NOMINAL IN
HARDNESS RATING88.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL
STYLE DESIGNATORSPLIT, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.0040 INCHES MINIMUM AND 2.0090 INCHES MAXIMUM IN
SPECIAL FEATURES0.D. CONTAINS BALL INDENTATIONS OF 0.120 IN. DIA.,0.005 IN. MIN TO 0.010 IN. MAX DEEP IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7BF81220?
7BF81220 is a BUSHING,SLEEVE.
What is the NSN for 7BF81220?
7BF81220 is cataloged in the U.S. Government catalog under NSN 3120-01-302-9502. This indicates validated use in U.S. government and defense supply chains.
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