6903 Non standard bearing 6903/17.8-2RS Sealed Bike Bicycle Bearings 17.8307 mm

Samples:: TFL or OEM , 30 - 1500 mm
$0.46/Piece | 1 Piece (Min. Order) |
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Product Description

6903 Non standard bearing 6903/17.8-2RS Sealed Bike Bicycle Bearings 17.8*30*7 mm

Part Ref: 6903/17.8-2RS
Bearing ID: 17.8mm
Bearing OD: 30mm
Bearing Thickness: 7mm
Material: Chromium Steel GCR15 (Race & Balls)
Used On: Easton, Halo, American Classic, HED
Grease: SINOPEC HTHS Bearing Grease, 30% filled
Seal: Double-sealed 2RS

Rubber seals - usually blue:

"LLB" is a double-lip type seal making light contact and also rides in a groove making a labyrinth seal.
"LLU" is a double- lip type seal making medium contact and also rides in a groove making a labyrinth seal.

Grade 10 Chromium Steel Balls:
High precision balls are within 10/1,000,000″ round, twice as round as the industry standard, at it’s highest level.

52100 High Carbon Chromium Alloy Races:
Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-3 precision and noiseless movement.

Riveted Steel Retainer for toughness, ABEC-3 tolerances and noise tested, C-3 or C-N Internal Clearance

Bearing NO	Bore(d)		Diameter (D)		Width (B)		Chamfer		Steel Balls		Load Rating		Weight
Bearing NO	mm inch		mm inch		mm inch		mm inch		Number	Size	Cr N	Cor N	KG
6900	10	0.3937	22	0.8661	6	0.2362	0.3	0.012	12	2.381	2700	1270	0.01
6901	12	0.4724	24	0.9449	6	0.2362	0.3	0.012	9	3.5	2890	1640	0.012
6902	15	0.5906	28	1.1024	7	0.2756	0.3	0.012	10	3.969	4320	2250	0.018
6903	17	0.6693	30	1.1811	7	0.2756	0.3	0.012	11	3.5	4590	2550	0.019
6904	20	0.7874	37	1.4567	9	0.3543	0.3	0.012	11	3.969	6370	3680	0.038
6905	25	0.9843	42	1.6535	9	0.3543	0.3	0.012	13	3.175	6660	4180	0.044
6906	30	1.1811	47	1.8504	9	0.3543	0.3	0.012	14	4.763	7240	5010	0.05