BK28-7/8IN.BORE — PULLEY,GROOVE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

BK28-7/8IN.BORE: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include bearings: NOT INCLUDED, material: IRON CAST OVERALL, bore_type: STRAIGHT, face_width: 0.812 INCHES NOMINAL IN, bore_length: 1.218 INCHES NOMINAL IN, design_form: WEBBED. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-198-3133, 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

BK28-7/8IN.BORE

NSN: 3020-01-198-3133
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 71176 — EMERSON ELECTRIC CO BROWNING MFG DIV (USA)

SPECIFICATIONS

bearings	NOT INCLUDED
material	IRON CAST OVERALL
quantity	1
bore_type	STRAIGHT
face_width	0.812 INCHES NOMINAL IN
bore_length	1.218 INCHES NOMINAL IN
design_form	WEBBED
bore_feature	INCLUDED
groove_depth	0.694 INCHES NOMINAL IN
groove_shape	V
groove_width	0.656 INCHES NOMINAL IN
keyway_width	0.312 INCHES NOMINAL IN
NSN	3020-01-198-3133

COMPONENT DIAGRAM

KEY FEATURES

•

INTEGRAL COOLING VANE: NOT INCLUDED

•

BORE FEATURE: INCLUDED

•

SPLIT HUB FEATURE: NOT INCLUDED

•

BORE LENGTH: 1.218 INCHES NOMINAL IN

•

DESIGN FORM: WEBBED

•

WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE: NOT OFFSET

•

GROOVE SHAPE: V

•

STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED: 4L

TECHNICAL CHARACTERISTICS

INTEGRAL COOLING VANE	NOT INCLUDED
BORE FEATURE	INCLUDED
SPLIT HUB FEATURE	NOT INCLUDED
BORE LENGTH	1.218 INCHES NOMINAL IN
DESIGN FORM	WEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE	NOT OFFSET
GROOVE SHAPE	V
STANDARD V-BELT SECTION DESIGNATION FOR WHICH DESIGNED	4L
OUTSIDE DIAMETER	2.950 INCHES NOMINAL IN
KEYING FACILITY TYPE	KEYWAY

OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072

SUBSTITUTES & CROSS-REFERENCES 3

54X704Reference document

Same NSN cross-reference

Reference document — Secondary reference

56026BORReference document

Same NSN cross-reference

Reference document — Secondary reference

56026B10RReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 BK28-7/8IN.BORE?

BK28-7/8IN.BORE is a PULLEY,GROOVE.

What parts can replace BK28-7/8IN.BORE?

There are 3 known substitutes for BK28-7/8IN.BORE: 54X704, 56026BOR, 56026B10R. Substitute compatibility should be verified for your specific system.

What is the NSN for BK28-7/8IN.BORE?

BK28-7/8IN.BORE is cataloged in the U.S. Government catalog under NSN 3020-01-198-3133. This indicates validated use in U.S. government and defense supply chains.

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BK28-7/8IN.BORE — PULLEY,GROOVE

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