Precision Ball Bearings

3MM9108WI bearing | Spindle Angular Contact Ball Bearings (9300WI, 9100WI, 200WI, 300WI)

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Price：	enquiry
Model Number：	3MM9108WI
Weight：	1 mm0.039 in
Radius Rs min：	1 mm0.039 in
Outside Ring Width B：	35800 rpm
Outside Diameter D：	17900 rpm
Features：	7.937500 mm5/16 in

d - Bore	40.00 mm1.5748 in
D - Outer Diameter	68.00 mm2.6772 in
Bearing Width	15.00 mm0.5906 in
Contact Angle	25 º
do - Ball Diameter	7.937500 mm5/16 in
C0 - Static Radial Rating	14200 N3190 lbf
Ce - Dynamic Radial Rating¹	20800 N4670 lbf
Limiting Speed (Grease)	17900 rpm
Limiting Speed (Oil)	35800 rpm
Ball Type	STEEL
Cage Type	CR - Phenolic Outer Land Riding Cage
Bearing Weight	0.187 Kg0.41 lb
Design Units	METRIC
Precision Class	ISO P4S (ABEC 7/9)
Alternate Part Name	3MM9108WICRDUH 3MM9108WICRDUL 3MM9108WICRDULFS637 3MM9108WICRDUM 3MM9108WICRDUMA3639 3MM9108WICRQUH 3MM9108WICRQUL 3MM9108WICRQULFS637 3MM9108WICRQULFS934 3MM9108WICRQUM 3MM9108WICRSUH 3MM9108WICRSUL
R - Inner Ring "To Clear" Radius²	1 mm0.039 in
r - Outer Ring "To Clear" Radius³	1 mm0.039 in
da - Inner Ring Backing Diameter	45.700 mm1.800 in
Da - Outer Ring Backing Diameter	62.200 mm2.450 in

No.	Weight	Radius Rs min	Outside Ring Width B	Outside Diameter D	Features	Cr - Dynamic Load Rating
R-ARF0305	R-ARF0305	6	3	5	0.3	1.5
SALA 45 ES-2LS	200.000	127.000	104.000	45.000	28.000	32.000
K70x78X30H	K70x78X30H	6000	70.000	78.000	21.80	139.00
E/4BF/TRB/1 3/8	2.28	1.89	0.7	0.87	7.0 lb	053893549750
H715345/11	46.038	71.438	3.2	3.6	3700	2800
NN3934MBKR	6	170	2	2.0	NN3934MBKR	179
23134CE4	23134CE4	21.80	280	2.3	3.5	2.3
QAMC20A100S	4.24	2.85	32 lb14.5 Kg	0883450293839 0883450293846 0883450293853 0883450293860 0883450293877 0883450293884 0883450293891 08	0.0030 in0.076 mm	100 mm
7319DB	95	1.10	3.0	7319	5.890	5 000
3780/32	30.162	50.800	3.60	3780/32	5500	4200

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