Miniature Bearings Australia
S6903-CSN-2RS-T9H - Datasheet
MBA
Category Information
Bearings - Single Row Ball - Unflanged - Precision - Ceramic HybridCeramic Hybrid Precision Unflanged Single Row Ball Bearings. Steel Races with Si3N4 Ceramic Balls
- Single row radial ball bearings are arguably the most common, widely used type of bearing. They consist of an inner ring, an outer ring, a set of balls, and a cage that retains the balls in a circular path.
- Single row radial ball bearings are commonly used in a wide range of applications, including electric motors, fans, pumps, gearboxes, agricultural equipment, appliances, and automotive components.
- They are versatile, cost-effective bearings that provide reliable support for radial loads and some axial loads in one direction. An expanded range may be available on special order. Please enquire.
- Bearings with steel races and ceramic balls.
- For standard bearings, the balls are usually one of the first components to show wear.
- Ceramic balls are harder than steel and do not wear as easily.
- Items with high speed cages have the suffixes T9H, TNH, TW or KC
Product Data
High speed polyamide cage. Ceramic balls.
- ID (d)
:
17.000
mm
+ 0.000 / - 0.0075
(Equiv. 0.669 in.) - OD (D)
30.000
mm
+ 0.000 / - 0.010
(Equiv. 1.181 in.) - Width (B)
7.000
mm
+ 0.000 / - 0.125
(Equiv. 0.276 in.) - Precision Grade Abec 1
- Closure Type 2RS
- Bearing Type Radial
- Material Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls
- Lubrication Type Grease
- Lubrication Name Standard Unspecified
- Basic Part 6903
- Limiting Speed 25024
- Cage Type Polyamide
- Static Load Rating KGf 209.6
- Dynamic Load Rating KGf 374.4
- Radii 0.30 mm
- Inner Shoulder (UI) 21.00mm
- Outer Shoulder (UO) 27.80 mm
- Number of Balls 11
- Clearance CN (3 to 18)
- Precision Grade Abec 1
- Closure Type 2RS
- Max Temperature 80 Deg. C
Product Compliance and Data
Additional Resources
- Catalogue: Ceramic Bearings Catalogue
- Catalogue: Plastic Bearings Catalogue
- Catalogue: Standard Bearings Catalogue
- General: Bearing Cleanliness
- General: Bearing Clearances
- General: Bearing Flanges & Snap Rings
- General: Bearing Retainers (Cages)
- General: General Loads Information
- General: Lubrication
- General: Prefix & Suffix Guide
- General: Static vs Dynamic Loads
- Materials: 316 Stainless
- Materials: CASSTOP Anti-Corrosion Bearing Material
- Materials: Ceramic vs Ceramic Hybrid
- Materials: Ceramic Bearings in Vibratory Applications
- Materials: Ceramic Hybrid Bearings in Vibratory Applications
- Materials: General Bearing Materials
- Materials: Magnetism & Bearings
- Precision: 316 Stainless & Plastic Bearing Tolerances
- Precision: ABEC Basic Information
- Precision: Precision Bearing Tolerances
- Problem Solving: Bearing Failure
- Problem Solving: Fatigue (L10 Life)
- Problem Solving: Noise
Applications & Uses
- RC Nitro Engine Parts
- ASP - 61 All Models - Bearing 17-30-7mm
- ASP - 75 All Models - Bearing 17-30-7mm
- Chapman - DC - 46 - Bearing 17-30-7mm
- Enya - X 2Cand3 - 19 - Bearing 17-30-7mm
- Fitzpatrick - 61 With Side Exhaust and ABC Engine - 61 - Bearing 17-30-7mm
- Fox - 36 All Models - Bearing 17-30-7mm
- Fox - Eagle IV - 46 - Bearing 17-30-7mm
- Irvine - 40 All Models - Bearing 17-30-7mm
- Irvine - 46 All Models - Bearing 17-30-7mm
- Irvine - Old - 15 - Bearing 17-30-7mm
- Jett - Fan Jet - 30 - Bearing 17-30-7mm
- Jett - Fire - 40 - Bearing 17-30-7mm
- Jett - Fire - 95 - Bearing 17-30-7mm
- Jett - Heli - 95 - Bearing 17-30-7mm
- Jett - Sport - 12 - Bearing 17-30-7mm
- Jett - Sport - 40 - Bearing 17-30-7mm
- K.B - 40 All Models - Bearing 17-30-7mm
- K.B - 8702 - 3.5 21CC - Bearing 17-30-7mm
- K.B - DF - 82 - Bearing 17-30-7mm
- K.B - OB New - 21 - Bearing 17-30-7mm
- K.B - Outboard Late Model Marine - 40 - Bearing 17-30-7mm
- K.B - Outboard Marine - 3.5 - 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 - 3.5 - Bearing 17-30-7mm
- K.B - Violet - 7.5 - Bearing 17-30-7mm
- K.B - Violet - 72 - Bearing 17-30-7mm
- K.B - Violet - 82 - Bearing 17-30-7mm
- Magnum Power - XL - 53 - Bearing 17-30-7mm
- MDS - 60 - Bearing 17-30-7mm
- Nelson - 45 All Models - Bearing 17-30-7mm
- Nelson - 75 All Models - Bearing 17-30-7mm
- OS - FSR ABC - 45 - 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 - 61 - 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 - 40 - Bearing 17-30-7mm
- OS - SF-HP RC - 61 - Bearing 17-30-7mm
- OS - SF-P RC/Pump - 61 - Bearing 17-30-7mm
- OS - VF-H ABC - 25 - Bearing 17-30-7mm
- OS - VF-H RC With 7H - 25 - Bearing 17-30-7mm
- Saito - 4C New - 56 - 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 90 - Bearing 17-30-7mm
- Webra - 40 All Models - Bearing 17-30-7mm
- Webra - Heli - 32 - Bearing 17-30-7mm
- Webra - Speed 61/P5 - 40 - Bearing 17-30-7mm
- Webra - Speed P5 - 35 - Bearing 17-30-7mm
- YS - 2-C - 24.7 - Bearing 17-30-7mm
- YS - 45 All Models - Bearing 17-30-7mm
- YS - 4-C - 160 - Bearing 17-30-7mm
Cross References
- 6903
- S6903CSNT9H2RS
- S6903CSNT9HRS
- 6903 Basic Size Ref
