(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：2025-12-17
• Application:thread processing machine,Tool,shoe-making machinery,security equipment,shaft milling machine,Reflective Materials Industrial fabrics,vertical pull,survey accessories,Workpiece,surgical instruments,education model Instruments
• Similar models:SNR 4201A KOYO UK315 NTN 60/28LLUNR NTN 6007LB KOYO NC7205V NSK B47-7a1 NACHI 6309N Timken SM1203KS Timken A33K3 SKF WBB1-8705R
• 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
  6211	55	100	21	ISO	Deep Groove Ball Bearings
  7308C	40	90	23	NACHI	Angular Contact Ball Bearings
  B-1816	28.575	34.925	25.40	KOYO	Needle Roller Bearings
  GE100DO-2RS	100	150	70	ISO	Plain Bearings
  C162116	25,4	33,338	25,4	INA	Needle Roller Bearings
  GEZH 112 ESX-2LS	80,963	44,45	46,228	SKF	Plain Bearings
  LL687949/LL687910	977,9	1130,3	66,675	NTN	Tapered Roller Bearings
  MRJ3.1/2	88,9	206,375	44,45	RHP	Cylindrical Roller Bearings
  NK38/20	38	48	20	JNS	Needle Roller Bearings
  NU316EG15	80,000	170,000	39,000	SNR	Cylindrical Roller Bearings
  PCFTR12	12			INA	Bearing Units
  PCM 505530 M	50	55	30	SKF	Plain Bearings
  UCHA208	40		49,2	FYH	Bearing Units
  W685ZZ	5,000	11,000	5,000	NTN	Deep Groove Ball Bearings
  NU2984E	420	560	82	SKF	CYLINDRICAL ROLLER BEARINGS
  6330K	150	320	65	SKF	DEEP GROOVE BALL BEARINGS
  1322	110	240	50	SKF	SELF
  FYCRS-30	30	62	29	NSK	NEEDLE BEARINGS
  MR-36-2RS			1.7500	CONSOLIDATED	NEEDLE BEARINGS
  22324MF80	120	260	86	CONSOLIDATED	SPHERICAL ROLLER BEARINGS