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BGR10/19 Ultra-high Speed Ball bearing BER10/19 Ultra High Frequency Spindle Bearing BTR10/19 Main Shaft Thrust Bearing Ultra High Frequency BAR10/19 Ultra High Frequency Spindle Bearing BNR10/19 Main Shaft Thrust Bearing Ultra-high Frequency

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Double Row Angular Contact Bearing With Nylon Retainer Double Row Ball Bearings With Crowned Steel Cage Double Row Angular Contact Bearing With S-shaped Holder Double Row Angular Contact Bearing With U-shaped Holder Double Row Angular Contact Bearing With Brass Retainer Double Row Angular Contact Bearing With Two Inner Rings Thin-walled Bearing With Nylon Retainer (Series 38, 39, 30) LR50 Series Roller Bearing Rollers LR52 LR53 (series 3057, 3067, 3058, 3068) Double Row Angular Contact Roller Bearing For Guide Rollers

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Home / Double Row Angular Contact Ball Bearing / Double Row Angular Contact Bearing With S-shaped Holder

Double Row Angular Contact Bearing With S-shaped Holder

Double Row Angular Contact Bearing With S-shaped Holder Curved profile (radius R=2.5-5mm) reduces contact area by 40%, achieving friction coefficient μ=0.08-0.12

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Double Row Angular Contact Bearing With S-shaped Holder

	Type	Main dimensions			Rated load		Rated speed
					Dynamics	Static	Speed limit
Mail		d[mm]	D[mm]	B[mm]	C[kN]	C₀[kN]	[r/min]
	3318 2RS	90	190	73	257.9	269.8	-
	3317 2RS	85	180	73	244.1	257.0	-
	3316 2RS	80	170	68	224.3	227.1	-
	3315 2RS	75	160	68	199.7	199.8	-
	3314 2RS	70	150	63	176.4	174.3	-
	3313 2RS	65	140	58	154.3	150.5	-
	3312 2RS	60	130	54	123.5	119.4	-
	3311 2RS	55	120	49	114.2	108.0	-
	3310 2RS	50	110	44	103.3	90.1	-
	3309 2RS	45	100	39	87.0	74.4	-
	3308 2RS	40	90	36	72.0	60.3	-
	3307 2RS	35	80	34	58.2	47.5	-
	3306 2RS	30	72	30	45.8	36.5	-
	3305 2RS	25	62	25	27.5	22.8	-
	3304 2RS	20	32	22	20.6	15.5	-
	3303 2RS	17	47	22	20.6	15.0	-
	3302 2RS	15	42	19	16.7	11.9	-
	3301 2RS	12	37	19	14.7	9.4	-
	3300 2RS	10	35	19	14.5	9.0	-
	3220 2RS	100	180	60	215.8	239.7	-

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Dentail

Innovative S-shaped Cage Design

3D Waveform Geometry
- Curved profile (radius R=2.5-5mm) reduces contact area by 40%, achieving friction coefficient μ=0.08-0.12
- High-strength PEEK material withstands -60℃~+200℃ and offers 5x corrosion resistance over metal cages
Dual Angular Contact Configuration
- 40° contact angle provides 18.5kN axial capacity (2.3x single-row bearings)
- Back-to-back (DB) arrangement increases moment capacity by 65% for tilting loads
Precision Grinding Process
- Raceway roughness Ra≤0.08μm, roundness error ≤1.2μm
- G2.5 dynamic balance ensures vibration ≤0.3mm/s at high speeds

Application

The bearings can be used in the following industries

Aerospace: Turbofan engine fuel pump bearings (38k RPM, 10,000h life)
Industrial Robotics: 6-axis robot wrist joints (repeatability ±0.01mm)
Medical: Da Vinci surgical robot drives (10^7 fatigue cycles)
EVs: Motor spindle bearings (80g vibration resistance)