6903-ZZ (Each)

Name: Single Row Ball Bearings - 17x30x7 mm Unflanged - Chrome Steel SAE 52100 Bearing - 6903-ZZ
Brand: MBA
SKU: 6903ZZ
Price: 14.50 AUD
Availability: BackOrder

Single Row Ball Bearings - 17x30x7 mm Unflanged - Chrome Steel SAE 52100 Bearing

Images are indicative only and may not represent the pack quantity or specific item details. Images should be used as a guide in conjunction with the product description.

1 4

MBA

Store: Minibearings - Miniature Bearings Australia - Online, Pick-Up, Retail, Distributors, Wholesale

Category: Bearings - Single Row Ball - Unflanged - Precision - Chrome Steel

Additional resources:
Tolerances
Standard Bearings PDF Catalogue
Shafting

Price:

$14.50 AUD

~~$17.40 AUD~~ $14.50 AUD

Each

Excludes GST and overseas Taxes & Duties

Backorder

Order 50 or more
for $13.05 AUD Each

Product Details

Double shielded standard bearing

ID (d): 17.000mm
_{+ 0.000 / - 0.0075}
_{(17.000mm is 0.669 in.)}

Chrome Steel SAE 52100

ID (d): 17.000mm
_{+ 0.000 / - 0.0075}
_{(17.000mm is 0.669 in.)}
O.D. (D): 30.000mm
_{+ 0.000 / - 0.010}
_{(30.000mm is 1.181 in.)}
Width (B): 7.000mm
_{+ 0.000 / - 0.125}
_{(7.000mm is 0.276 in.)}
Precision Grade: Abec 1
Closure Type: ZZ
Bearing Type: Radial

Brand: MBA
Country of Origin: JP

Product Compliance and Data

Similar to

ALTPART
5972K167
WIB 61903-2Z
WIB 61903-Z
Shielded 6903 / 7
Nachi® 6903-ZZECM
ADR AY17-ZZ
61903Z
619032Z
6903ZZ
6903ZZECM
AY17ZZ
6903BASIC

Used for

Gearbox Parts

RC Car Parts

RC Nitro Engine Parts

Ondrives® - P30-60 - Output Shaft Bearings

Rino® - P30-60 - Output Shaft Bearings

HPI - Baja 5B - Replacement Bearing

ASP® - 61 All Models - Replacement Bearing

ASP® - 75 All Models - Replacement Bearing

Chapman® - DC - 28 - Replacement Bearing

Enya® - X 2Cand3 - 240 - Replacement Bearing

Fitzpatrick - 61 With Side Exhaust and ABC Engine - Replacement Bearing

Fox® - 36 All Models - Replacement Bearing

Fox® - Eagle IV - 46 - Replacement Bearing

HP - Gold Cup F - 21 - Replacement Bearing

Irvine® - 15 All Models - Replacement Bearing

Irvine® - 40 All Models - Replacement Bearing

Irvine® - Old - 53 - Replacement Bearing

Jett® - Fan Jet - 25 - Replacement Bearing

Jett® - Fan Jet - 40 - Replacement Bearing

Jett® - Fire - 40 - Replacement Bearing

Jett® - Fire - 50 - Replacement Bearing

Jett® - Fire - 95 - Replacement Bearing

Jett® - Heli - 90 - Replacement Bearing

Jett® - Sport - 105 - Replacement Bearing

Jett® - Sport - 12 - Replacement Bearing

Jett® - Sport - 40 - Replacement Bearing

K.B - 7.5 All Models - Replacement Bearing

K.B - 8702 - 21 - Replacement Bearing

K.B - DF - 82 - Replacement Bearing

K.B - OB New - 7.5 - Replacement Bearing

K.B - Outboard Late Model Marine - 3.5 - Replacement Bearing

K.B - Outboard Marine - 40 - Replacement Bearing

K.B - Outboard Marine Late Model - 90 - Replacement Bearing

K.B - Pro - 67 - Replacement Bearing

K.B - SS Marine - 7.5 .45CC - Replacement Bearing

K.B - Violet - 0.15 - Replacement Bearing

K.B - Violet - 3.5 - Replacement Bearing

K.B - Violet - 7.5 - Replacement Bearing

K.B - Violet - 72 - Replacement Bearing

Magnum Power® - XL - 52 - Replacement Bearing

Magnum Power® - XL - 53 - Replacement Bearing

MDS - 60 - Replacement Bearing

Moki® - All - 61 - Replacement Bearing

Nelson - 45 - 12 - Replacement Bearing

Nelson - 45 All Models - Replacement Bearing

Nelson - 65 All Models - Replacement Bearing

Nelson - Quickie - 75 - Replacement Bearing

OS Engines® - FSR ABC - 61 - Replacement Bearing

OS Engines® - FSR Gold Head - 45 - Replacement Bearing

OS Engines® - FSR RC Special - 90 - Replacement Bearing

OS Engines® - FSR Ring ED - 108 - Replacement Bearing

OS Engines® - RF ABC RC - 40 - Replacement Bearing

OS Engines® - RF-H Pump - 21 - Replacement Bearing

OS Engines® - RF-H RC With 7H - 21 - Replacement Bearing

OS Engines® - RF-P - 61 - Replacement Bearing

OS Engines® - RF-P Ring Hanno Special - 61 - Replacement Bearing

OS Engines® - SF ABC RC W-Muffler - 61 - Replacement Bearing

OS Engines® - SF-HP RC - 46 - Replacement Bearing

OS Engines® - SF-P RC/Pump - 46 - Replacement Bearing

OS Engines® - VF-H ABC - 25 - Replacement Bearing

OS Engines® - VF-H RC With 7H - 25 - Replacement Bearing

Picco® - 40 All Models - Replacement Bearing

Rossi® - 3 and 2 - 3.5 - Replacement Bearing

Rossi® - 45 All Models - Replacement Bearing

Rossi® - 53 Glow Engine - 60 - Replacement Bearing

Rossi® - Air - 53 - Replacement Bearing

Rossi® - F1 RC - 21 C - Replacement Bearing

Rossi® - R40T - 21 - Replacement Bearing

Rossi® - RE - 90 - Replacement Bearing

Saito® - 4C New - 45 - Replacement Bearing

Saito® - 82 All Models - Replacement Bearing

Saito® - FA 100 - Replacement Bearing

Saito® - FA 150 - Replacement Bearing

Saito® - FA 80 - Replacement Bearing

Saito® - FA182TD - 100 - Replacement Rear Bearing

Saito® - Old - 30 - Replacement Bearing

Tower® - 61 BB ABC - 46 - Replacement Bearing

Tower® - 75 BB ABC - 15 - Replacement Bearing

Webra® - 28 All Models - Replacement Bearing

Webra® - Heli - 80 - Replacement Bearing

Webra® - Speed 61/P5 - 40 - Replacement Bearing

Webra® - Speed P5 - 40 - Replacement Bearing

YS - 2-C - 24.7 - Replacement Bearing

YS - 4-C - 24.7 - Replacement Bearing

YS - 91 All Models - Replacement Bearing
We offer equivalents to many brands including Anderton, Barden, Berg, Designatronics, EZO, ISC, Koyo, Myonic, NMB, Nordex, NSK, Ondrives, Reid Industrial, RMB, SDP-SI, Seeger, SKF, and more.
6903ZZ, 6903

View full details

Click to open these sections

SHIPPING

Shipping Policy

Insurance, Brands & Related Information

PICK UP

Pick up is available from our Coopers Plains warehouse after your order is ready. Please refer to your ready notification email, and bring it with you to collect your parcel.

PDF CATALOGUES

You may freely download the following catalogues to review and compare products. To help you select the most readily available items, rows are colour coded and marked according to the key at the bottom of each page.

Part numbers from these catalogues can be checked in the online store. If they don't appear in the store, please email us for more information about the part.

Ball Lock Pins

Balls

Bearing Material Selection and Benefits

Bearings - Ceramic

Bearings - Corrosion Resistant

Bearings - Economy

Bearings - High Speed

Bearings - Plastic

Bearings - Radial - Master List

Bearings - Standard Range

Bearings - Super Precision

Bearings - Thrust

Bushes - Metallic & Plastic

Bushes - Sintered Bronze

Bushes - Solid Bronze

Poly Vee Belts and Pulleys

Push On & Push In Rings

Thumbs Screws and Nuts

Timing Belts

Timing Pulley Stock

Timing Pulleys

Vibration Mounts - Bobbins and Buffers

Washers - Disc Spring

Washers - Precision Shim

Washers - Wave

Washers and Spacers

CROSS REFERENCES

We provide equivalents to many brands including Berg - Designatronics - Nordex - NSK - Oilite - Ondrives - Reid Industrial - SDP-SI - SKF. The following PDF cross references contain hundreds of thousands of part conversions.

ADR and SKF

Anderton Circlips

Barden Bearings

Designatronics SDP-SI

Essentra

Flocast Bronze Bushes

K&S Metals

Miniature Precision Bearings

Timing Belts & Pulleys

Information, Catalogues, and News

View all

Dental Handpiece Bearings & Parts Applications ...

June 19, 2026
Version 2026.6 - June 2026 The MBA Dental Handpiece Bearings & Parts Applications List contains replacement bearings, turbines, headgears, pushbuttons, o-rings and more for many makes including ABU®, ACETON SATELEC®, ADEC®,...

Dental Handpiece Bearings & Parts Applications ...

June 19, 2026
Version 2026.6 - June 2026 The MBA Dental Handpiece Bearings & Parts Applications List contains replacement bearings, turbines, headgears, pushbuttons, o-rings and more for many makes including ABU®, ACETON SATELEC®, ADEC®,...
Free Cross Reference for Miscellaneous Brand En...

May 21, 2026
Download the Miscellaneous Engineering Parts Cross Reference *** UPDATE 2026.1 *** May 2026 The MBA Part Numbers in this cross-reference are determined to be equivalent or similar to products offered...

Free Cross Reference for Miscellaneous Brand En...

May 21, 2026
Download the Miscellaneous Engineering Parts Cross Reference *** UPDATE 2026.1 *** May 2026 The MBA Part Numbers in this cross-reference are determined to be equivalent or similar to products offered...
Free Shaft Collars Catalogue

May 20, 2026
Download the MBA Shaft Collars PDF Catalogue *** Update 2026.1 *** May 2026 The MBA Shaft Collars catalogue includes round bore, threaded bore and hex bore shaft collars in carbon...

Free Shaft Collars Catalogue

May 20, 2026
Download the MBA Shaft Collars PDF Catalogue *** Update 2026.1 *** May 2026 The MBA Shaft Collars catalogue includes round bore, threaded bore and hex bore shaft collars in carbon...
Free Circlips & E-Clips Catalogue

May 19, 2026
Download the MBA Circlips & E-Clips PDF Catalogue *** Update 2026.2 *** May 2026 The MBA Circlips & E-Clips catalogue lists a full range of E-Clips, Internal Circlips, and External...

Free Circlips & E-Clips Catalogue

May 19, 2026
Download the MBA Circlips & E-Clips PDF Catalogue *** Update 2026.2 *** May 2026 The MBA Circlips & E-Clips catalogue lists a full range of E-Clips, Internal Circlips, and External...

1 4