PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 77312
77312 ✓ Verified by PartsTable
Hama · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

- Equivalent to Rollei 8300/Rollei DS8330-1<br>- 3.7 V/1100mAh/4.1Wh<br>- Suitable for the following digital cameras:<br>- Revue DC8000/DC100<br>- Traveler DC8300<br>- Vivitar Cam 8300<br>- Voigtländer D8<br>- Rollei RCP-7430XW/Rollei DP8300<br>- Minox DC8111<br>- Acer CR-8530 This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6779, 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
77312
NSN: 3110-00-155-6779
FSC: 3110
CAGE: 38018 — MANITOWOC ENGINEERING CO DIVISION OF THE MANITOWOC CO INC (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter60.00 MILLIMETERS NOMINAL MM
overall_width31.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorLOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter130.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-155-6779
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77312 · Hama ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BORE DIAMETER: 60.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL: GREASE
•
BORE SHAPE: STRAIGHT
•
SHIELD QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH31.0 MILLIMETERS NOMINAL MM
BORE DIAMETER60.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP DESIGNATIONSTANDARD
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISHGROUND
LUBRICATION MATERIALGREASE
BORE SHAPESTRAIGHT
SHIELD QUANTITY2
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
4285-7Interchangeable
interchangeable cross-reference
interchangeable
NW4285-7Interchangeable
interchangeable cross-reference
interchangeable
820-4445999-3Interchangeable
interchangeable cross-reference
interchangeable
842945Interchangeable
interchangeable cross-reference
interchangeable
700660Interchangeable
interchangeable cross-reference
interchangeable
MILE1TYPE1N38AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77312?
77312 is a BEARING,BALL,ANNULAR manufactured by Hama.
What parts can replace 77312?
There are 29 known substitutes for 77312: 4285-7, NW4285-7, 820-4445999-3 and 26 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77312?
77312 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-6779. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026