Home Bearing NSK 6903DDU Deep Groove Ball Bearing
NSK 6903DDU Bearing

For reference only. Please contact us for actual product photos and detailed specifications.

NSK Genuine Original

NSK 6903DDU Deep Groove Ball Bearing
Model / Part No: 6903DDU Catalog ID: MB-73A9F0F0

Brand

NSK

Model / Part No.

6903DDU

Category

Bearing

Origin

Global

Availability

7200 pcs Ready to Ship
US$ 2.50 / unit (Wholesale)
Secure Payments
PayPal
Bank T/T

Official proforma invoice provided for all settlements.

Technical Drawings (For reference only)

Technical Drawing 1
Technical Drawing 2
Technical Drawing 3
Technical Drawing 4
Technical Drawing 5
Technical Drawing 6
Technical Drawing 7
Technical Drawing 8
Technical Drawing 9
Technical Drawing 10

Technical Specifications (For reference only)

Overall Dimensions

d
17
D
30
B
7
r Minimum
0.3

Rated Load (N)

Cr
4600
Cor
2550

Bearing Designation

Open Type
6903
Shield Type
6903ZZ
With Snap Ring
6903NR
With Snap Ring Groove
6903N
Non-Contact Seal Type
6903VV
Contact Seal Type
6903DDU

Coefficient fo

Coefficient fo
14.7

Rated Load {kgf}

Cr
470
Cor
260

Weight (kg) (Reference)

Weight (kg) (Reference)
0.017

Limiting Speed (rpm) Grease Lubrication

DU Type DDU Type
15000
Open Type Z·ZZ Type V·VV Type
24000

Mounting Dimensions (mm)

r a (Maximum)
0.3
C Y (Maximum)
1.8
Dx (Minimum)
33.5
Da(2) (Maximum)
28
d a (2) (Minimum)
19
d a (2) (maximum)
19.5

Limiting Speed (rpm) Oil Lubrication

Open Type, Z Type
28000

Snap Ring Dimensions (1) (mm)

f (Maximum)
0.85
D2 (Maximum)
32.8

Snap Ring Groove Dimensions (1) (mm)

D1 (Maximum)
28.7
b (minimum)
0.95
a (maximum)
1.3
r N (minimum)
0.3
r o (maximum)
0.25
Suffix 6: Model suffix indicating NSK industrial packaging code 6. Often preceded by a space, *, or #, e.g., NSK_6206NR *6.

Logistics & Global Settlement

Tri-Regional Warehousing

Orders fulfillable from our strategic hubs in Singapore, Shanghai, and Malaysia for optimized lead times.

100% Authenticity Promise

Every component is sourced through authorized channels with strict quality control protocols.

Global Settlement

We support international trade via Bank T/T and PayPal with secure transaction monitoring.

Official Payment Channels
PayPal

Fast & Secure

Bank T/T

Wire Transfer

Commercial invoices (PI) will be issued in USD. Letter of Credit (L/C) accepted for high-volume contract orders.

Trade Assurance

Shipping Origins

SG, CN, MY

Trade Terms

EXW, FOB, CIF, DDP

Certificates

CO, Form E, FTA Support

Technical Expert

Amy

"Need technical drawings (PDF/CAD) or a bulk volume quote? I'm available for immediate consultation."

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