Ball Bearing, Angular Contact HY S 61912 C TA

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HY S 61912 C TA

HY S 61912 C TA

Part Number	HY S 61912 C TA
Bearing Size	61912

Bearing Dimensions

Bore Diameter	d [mm]	60
Outer Diameter	D [mm]	85
Single Bearing Width	B [mm]	13
Pitch Circle Diameter	d_m [mm]	72.5
Ball Diameter	D_w [mm]	7.14
OD Inner Ring	d₁ [mm]	68.1
ID Outer Ring	D₁ [mm]	76.9
ID Outer Ring - Open Side	D₂ [mm]	79.5
Chamfer	r_1,2 [mm]	1.0
Chamfer - Open Side	r_3,4 [mm]	0.3

Bearing Load Ratings

Dynamic Radial Load Rating	C [N]	19200
Static Radial Load Rating - Steel Balls	C₀ [N]	19000
Static Radial Load Rating - Si₃N₄ Balls	C_{0 HY} [N]	13300

Bearing RPM Ratings

Speed Value - Oil Lubrication	n_oil [1/min]	29375
Speed Value - Grease Lubrication	n_grease [1/min]	21875

Bearing Series	S
Hybrid (Si₃N₄ Balls)	Yes

Geometrical Data

Number of Balls	Z [Qty]	23
Contact Angle	α0 [°]	15
Bearing Weight	m [kg]	0.195

Mating Part Dimensions

Abutment Diameter Inner Ring	d_{a,b min} [mm]	65.0
Abutment Diameter Outer Ring	D_{a,b max} [mm]	80.0
Chamfer Associated Component	r_{a max} [mm]	0.6
Chamfer Associated Component - Open Side	r_{b max} [mm]	0.30

Bearing Preload Data

Light Pre-Load	F_v [N]	100
Light Axial Rigidity	C_ax [N/µm]	58
Medium Pre-Load	F_v [N]	300
Medium Axial Rigidity	C_ax [N/µm]	94
Heavy Pre-Load	F_v [N]	600
Heavy Axial Rigidity	C_ax [N/µm]	132
Minimum Spring Pre-Load	F_f [N]	490

Notes:

Position of the oiling Nozzle (d_T) for bearings with TA cage/ TXM cage upon request
The stated load and speed values are given for a spring preloaded single bearing with oil/air or oil mist lubrication. If specific applications differ, please consult correction factors and/or GMN USA engineers.

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