PartsTable
Technical Data Sheet

BM1.75/1.25 — TORIC MOLD,GLASS BACK

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

BM1.75/1.25: TORIC MOLD,GLASS BACK.

The TORIC MOLD,GLASS BACK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8620 OVERALL, overall_length: 1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN, special_features: REPLACEMENT COMPONENT FOR THE GLSBM-180 SYSTEM (GLASS BACK MOLDS), NSN: 6540-01-507-3503; 80MM DIAMETER MM, body_inside_diameter: 1.7570 INCHES MINIMUM AND 1.7660 INCHES MAXIMUM IN, body_outside_diameter: 2.1270 INCHES MINIMUM AND 2.1280 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: MOLD TORIC GLASS BACK 1.75/1.25 FOR GLSBM-180 SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-249-4299, 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
BM1.75/1.25
NSN: 3120-01-249-4299
NIINs: 012494299, 015143636
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 64678 — DAIMLER TRUCK NORTH AMERICA LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 8620 OVERALL
overall_length1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
special_featuresREPLACEMENT COMPONENT FOR THE GLSBM-180 SYSTEM (GLASS BACK MOLDS), NSN: 6540-01-507-3503; 80MM DIAMETER MM
body_inside_diameter1.7570 INCHES MINIMUM AND 1.7660 INCHES MAXIMUM IN
body_outside_diameter2.1270 INCHES MINIMUM AND 2.1280 INCHES MAXIMUM IN
end_item_identificationTRACTOR, ALL WHEEL DRIVE W/ATTACHMENTS; SMALL EMPLACEMENT EXCAVATOR (R048)/HMMH (X501); TRACTOR, WHL IND; DSL W/BACKHOE W/LOADER W/HYD TOOL ATTACH
part_name_assigned_by_controlling_agencyMOLD TORIC GLASS BACK 1.75/1.25 FOR GLSBM-180 SYSTEM
NSN3120-01-249-4299
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: BM1.75/1.25 · 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
•
BODY OUTSIDE DIAMETER: 2.1270 INCHES MINIMUM AND 2.1280 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.7570 INCHES MINIMUM AND 1.7660 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 8620 OVERALL
TECHNICAL CHARACTERISTICS
BODY OUTSIDE DIAMETER2.1270 INCHES MINIMUM AND 2.1280 INCHES MAXIMUM IN
OVERALL LENGTH1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.7570 INCHES MINIMUM AND 1.7660 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONTRACTOR, ALL WHEEL DRIVE W/ATTACHMENTS; SMALL EMPLACEMENT EXCAVATOR (R048)/HMMH (X501); TRACTOR, WHL IND; DSL W/BACKHOE W/LOADER W/HYD TOOL ATTACH
MATERIALSTEEL COMP 8620 OVERALL
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
Ready to buy BM1.75/1.25?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is BM1.75/1.25?
BM1.75/1.25 is a TORIC MOLD,GLASS BACK.
What is the NSN for BM1.75/1.25?
BM1.75/1.25 is cataloged in the U.S. Government catalog under NSN 3120-01-249-4299. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — BM1.75/1.25

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.