Home Bearing NSK 6921 Open Deep Groove Ball Bearing - 105x145x20mm High Precision
NSK 6921 Bearing

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

NSK Genuine Original

NSK 6921 Open Deep Groove Ball Bearing - 105x145x20mm High Precision
Model / Part No: 6921 Catalog ID: MB-014ED4DD

Brand

NSK

Model / Part No.

6921

Category

Bearing

Origin

Global

Availability

340 pcs Ready to Ship
US$ 53.30 / unit (Wholesale)
Secure Payments
PayPal
Bank T/T

Official proforma invoice provided for all settlements.

Cross-Brand Alternatives

CJS 6921

CJS

6921

US$ 9.70 View

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
105
D
145
B
20
r Minimum
1.1

Rated Load (N)

Cr
42500
Cor
42000

Bearing Designation

Open Type
6921
Shield Type
6921ZZ
With Snap Ring
6921NR
With Snap Ring Groove
6921N
Non-Contact Seal Type
6921VV

Coefficient fo

Coefficient fo
16.4

Rated Load {kgf}

Cr
4300
Cor
4300

Weight (kg) (Reference)

Weight (kg) (Reference)
0.856

Mounting Dimensions (mm)

r a (Maximum)
1
C Y (Maximum)
4.7
Dx (Minimum)
152
Da(2) (Maximum)
138.5
d a (2) (Minimum)
111.5
d a (2) (maximum)
116

Limiting Speed (rpm) Oil Lubrication

Open Type, Z Type
5300

Snap Ring Dimensions (1) (mm)

f (Maximum)
1.7
D2 (Maximum)
150.7

Snap Ring Groove Dimensions (1) (mm)

D1 (Maximum)
142.6
b (minimum)
1.9
a (maximum)
3.3
r N (minimum)
0.5
r o (maximum)
0.6

Limiting Speed (rpm) Grease Lubrication

Open Type Z·ZZ Type V·VV Type
4300
DU Type DDU Type
-
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.

Returns & Refund Policy Summary

30-Day Return Window

Request a return within 30 calendar days of receiving your shipment.

Original Condition Required

Items must be unused, uninstalled, and in original factory-sealed packaging.

Refund Processing

Full refund for seller errors; 15-20% restocking fee applies to buyer-order errors.

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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