6903-ZZ

Name: 6903-ZZ - Single Row Ball Bearings - 17x30x7 mm Unflanged - Chrome Steel SAE 52100 Bearing
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.

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MBA

Store: Minibearings - Miniature Bearings Australia - Retail & 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

Excludes GST and overseas Taxes & Duties

Each
Backorder
Order 50 or more for $13.05 AUD Each

Product Details

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.)}
OD (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
AY17ZZ
6903ZZ
6903ZZECM
619032Z
61903Z
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 - Bearing 17-30-7mm
ASP - 61 All Models - Bearing 17-30-7mm
ASP - 75 All Models - Bearing 17-30-7mm
Chapman - DC - 28 - Bearing 17-30-7mm
Enya - X 2Cand3 - 240 - Bearing 17-30-7mm
Fitzpatrick - 61 With Side Exhaust and ABC Engine - Bearing 17-30-7mm
Fox - 36 All Models - Bearing 17-30-7mm
Fox - Eagle IV - 46 - Bearing 17-30-7mm
HP - Gold Cup F - 21 - Bearing 17-30-7mm
Irvine - 15 All Models - Bearing 17-30-7mm
Irvine - 40 All Models - Bearing 17-30-7mm
Irvine - Old - 53 - Bearing 17-30-7mm
Jett - Fan Jet - 25 - Bearing 17-30-7mm
Jett - Fan Jet - 40 - Bearing 17-30-7mm
Jett - Fire - 40 - Bearing 17-30-7mm
Jett - Fire - 50 - Bearing 17-30-7mm
Jett - Fire - 95 - Bearing 17-30-7mm
Jett - Heli - 90 - Bearing 17-30-7mm
Jett - Sport - 105 - Bearing 17-30-7mm
Jett - Sport - 12 - Bearing 17-30-7mm
Jett - Sport - 40 - Bearing 17-30-7mm
K.B - 7.5 All Models - Bearing 17-30-7mm
K.B - 8702 - 21 - Bearing 17-30-7mm
K.B - DF - 82 - Bearing 17-30-7mm
K.B - OB New - 7.5 - Bearing 17-30-7mm
K.B - Outboard Late Model Marine - 3.5 - Bearing 17-30-7mm
K.B - Outboard Marine - 40 - Bearing 17-30-7mm
K.B - Outboard Marine Late Model - 90 - Bearing 17-30-7mm
K.B - Pro - 67 - Bearing 17-30-7mm
K.B - SS Marine - 7.5 .45CC - Bearing 17-30-7mm
K.B - Violet - 0.15 - Bearing 17-30-7mm
K.B - Violet - 3.5 - Bearing 17-30-7mm
K.B - Violet - 7.5 - Bearing 17-30-7mm
K.B - Violet - 72 - Bearing 17-30-7mm
Magnum Power - XL - 52 - Bearing 17-30-7mm
Magnum Power - XL - 53 - Bearing 17-30-7mm
MDS - 60 - Bearing 17-30-7mm
Moki - All - 61 - Bearing 17-30-7mm
Nelson - 45 - 12 - Bearing 17-30-7mm
Nelson - 45 All Models - Bearing 17-30-7mm
Nelson - 65 All Models - Bearing 17-30-7mm
Nelson - Quickie - 75 - Bearing 17-30-7mm
OS - FSR ABC - 61 - Bearing 17-30-7mm
OS - FSR Gold Head - 45 - Bearing 17-30-7mm
OS - FSR RC Special - 90 - Bearing 17-30-7mm
OS - FSR Ring ED - 108 - Bearing 17-30-7mm
OS - RF ABC RC - 40 - Bearing 17-30-7mm
OS - RF-H Pump - 21 - Bearing 17-30-7mm
OS - RF-H RC With 7H - 21 - Bearing 17-30-7mm
OS - RF-P - 61 - Bearing 17-30-7mm
OS - RF-P Ring Hanno Special - 61 - Bearing 17-30-7mm
OS - SF ABC RC W-Muffler - 61 - Bearing 17-30-7mm
OS - SF-HP RC - 46 - Bearing 17-30-7mm
OS - SF-P RC/Pump - 46 - Bearing 17-30-7mm
OS - VF-H ABC - 25 - Bearing 17-30-7mm
OS - VF-H RC With 7H - 25 - Bearing 17-30-7mm
Picco - 40 All Models - Bearing 17-30-7mm
Rossi - 3 and 2 - 3.5 - Bearing 17-30-7mm
Rossi - 45 All Models - Bearing 17-30-7mm
Rossi - 53 Glow Engine - 60 - Bearing 17-30-7mm
Rossi - Air - 53 - Bearing 17-30-7mm
Rossi - F1 RC - 21 C - Bearing 17-30-7mm
Rossi - R40T - 21 - Bearing 17-30-7mm
Rossi - RE - 90 - Bearing 17-30-7mm
Saito - 4C New - 45 - Bearing 17-30-7mm
Saito - 82 All Models - Bearing 17-30-7mm
Saito - FA 100 - Bearing 17-30-7mm
Saito - FA 150 - Bearing 17-30-7mm
Saito - FA 80 - Bearing 17-30-7mm
Saito - FA182TD - 100 - Rear Bearing 17-30-7mm
Saito - Old - 30 - Bearing 17-30-7mm
Tower - 61 BB ABC - 46 - Bearing 17-30-7mm
Tower - 75 BB ABC - 15 - Bearing 17-30-7mm
Webra - 28 All Models - Bearing 17-30-7mm
Webra - Heli - 80 - Bearing 17-30-7mm
Webra - Speed 61/P5 - 40 - Bearing 17-30-7mm
Webra - Speed P5 - 40 - Bearing 17-30-7mm
YS - 2-C - 24.7 - Bearing 17-30-7mm
YS - 4-C - 24.7 - Bearing 17-30-7mm
YS - 91 All Models - Bearing 17-30-7mm

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.

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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

Free Timing Belts Catalogue

September 4, 2025
Download the MBA Timing Belts PDF Catalogue *** UPDATE 2025.3 *** September 2025 The MBA Timing Belts catalogue contains a vast range of timing belts including pitch sizes from 1mm...

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September 4, 2025
Download the MBA Timing Belts PDF Catalogue *** UPDATE 2025.3 *** September 2025 The MBA Timing Belts catalogue contains a vast range of timing belts including pitch sizes from 1mm...
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September 3, 2025
Download the Timing & Idler Pulley Catalogue *** UPDATE 2025.2 **** September 2025 The MBA Timing pulleys catalogue includes timing pulleys from steel and aluminium. More than 20 pages of...
Free Socket Set Screws (Grub Screws) Catalogue

September 2, 2025
Download the MBA Socket Set Screws Catalogue *** UPDATE 2025.2 *** September 2025 The MBA Socket Set Screws Catalogue includes standard cone point, dog point and specialty grub screws in...

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September 2, 2025
Download the MBA Socket Set Screws Catalogue *** UPDATE 2025.2 *** September 2025 The MBA Socket Set Screws Catalogue includes standard cone point, dog point and specialty grub screws in...
Free Vibration Mounts Catalogue

August 28, 2025
Download the MBA Vibration Mounts Catalogue *** UPDATE 2025.2 *** August 2025 The MBA Vibration Mounts catalogue includes Bobbins & Buffers made from Neoprene and Natural Rubber with zinc plated...

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