(dimensions in inches)

Bearing Type - Sealed

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.7500

Width (B) - 0.2812

Radius (min) (rs) - 0.016

Dynamic Load Rating (Cr) - 525

Static Load Rating (Cor) - 190

Max Speed (Grease) (X1000 RPM) - 36

Max Speed (Oil) (X1000 RPM) - 43

Max. Shaft Shoulder Dia. Inner (Ui) - 0.3

Min. Housing Shoulder Dia., Outer (Uo) - 0.650

Ball Qty - 6

Ball Dia (Dw) - 0.1378

Weight (g) - 10.00

Precision - A1

Standard Clearance - K25

Material - 52100 Chrome steel (or equivalent)

Also available in Stainless Steel, add prefix "S"

ABEC Grades 1, 3, 5, 7, and 9 are available.

Two rubber seals = (2RS), also available with a single rubber seal = (RS).

Also available with two light contact rubber seals = (2RU), or with a single light contact rubber seal = (RU)

• Model Number:R4A-2RS
• Inner Diameter：6,35mm Outer Diameter：19,05mm Width：7,14248mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-19
• Application:bag machine,dynamic blood pressure,milling head plug,ultra-quiet generators,Power equipment,power tools,Textile Accessories,climb ladder,welding equipment,security,Anti-defibrillation pacing
• Similar models:AST SR1810ZZ NTN 6904N NKE 6201-2Z-NR CX 61809ZZ ISO 687-2RS FBJ 6303ZZ NTN 6319N AST R2ZZ KBC 6207 SIGMA 61909
• BEARING POWER International Trading Co.,Ltd. specialize in R4A-2RS products，there is large inventory of AST R4A-2RS . We has been built up long-term cooperation with AST company, could make a bulk order of the R4A-2RS Which AST R4A-2RS is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  22310 KCW33+AH310	50	110	40	CX	Spherical Roller Bearings
  22244 KCW33+H3144	220	400	108	CX	Spherical Roller Bearings
  23028 KMBW33+H3028	125	210	53,0	MPZ	Spherical Roller Bearings
  23160 KCW33	300	500	160	CX	Spherical Roller Bearings
  24052EK30	260	400	140	NACHI	Cylindrical Roller Bearings
  6226ZZ	130	230	40	NACHI	Deep Groove Ball Bearings
  7013DF	65	100	18	NTN	Angular Contact Ball Bearings
  7308CDT	40	90	23	NACHI	Angular Contact Ball Bearings
  81114TN	70	95	18	NBS	Thrust Roller Bearings
  BXRE303-2Z	17	47	14	INA	Needle Roller Bearings
  D/W R1-4 R	6,35	1,984	2,38	SKF	Deep Groove Ball Bearings
  GEG6E	6	16	9	FBJ	Plain Bearings
  KFC070	177,8	215,9	19,05	KOYO	Deep Groove Ball Bearings
  SQ12-RS				LS	Plain Bearings
  UCFL315	75			NACHI	Bearing Units
  NU1080	400	600	90	FAG	CYLINDRICAL ROLLER BEARINGS
  234715M.SP	78	115	234715 M.SP	FAG	ANGULAR CONTACT THRUST BALL BEARINGS
  HK1214RS	18		14	SKF	NEEDLE BEARING
  54320U				STEYR	THRUST BALL BEARINGS WITH SPHERICAL SEATING RINGS
  200448	1.2500	1.7500	3.0000	Rollway	JOURNAL ROLLER ASSEMBLIES