(dimensions in inches)

Bearing Type - Open

Bore Dia (d) - 0.1250

Outer Dia (D) - 0.5000

Width (B) - 0.1719

Radius (min) (rs) - 0.002

Dynamic Load Rating (Cr) - 144

Static Load Rating (Cor) - 48

Max Speed (Grease) (X1000 RPM) - 53

Max Speed (Oil) (X1000 RPM) - 63

Max. Shaft Shoulder Dia. Inner (Li) - 0.2

Min. Housing Shoulder Dia., Outer (Lo) - 0.3

Ball Qty - 7

Ball Dia (Dw) - 0.0625

Weight (g) - 3.30

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.

• Model Number:R2A
• Inner Diameter：3,175mm Outer Diameter：12,7mm Width：4,36626mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:bathroom facilities,gear type,Beauty and Body,security,Low-voltage electrical equipment,cleaners,Material handling equipment,Plastic molding,Hydraulic Hose,pipe fittings Steel industry,storage shelves
• Similar models:ISB SS637/3 FBJ 6015-2RS KOYO 608ZZ NTN UEL205D1 ISB F6803 SNR UK215+H KOYO 6204R CYSD 6816 ZEN S602-2Z NTN 6908LU
• BEARING POWER International Trading Co.,Ltd. specialize in R2A products，there is large inventory of AST R2A . We has been built up long-term cooperation with AST company, could make a bulk order of the R2A Which AST R2A 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
  100BNR29HV1V	100	140	24	NSK	Angular Contact Ball Bearings
  1986/1931	25,4	60,325	19,845	Timken	Tapered Roller Bearings
  16052 MA	400	260	44	SKF	Deep Groove Ball Bearings
  23138CE4	190	320	104	NSK	Spherical Roller Bearings
  24184BK30	420	700	280	NTN	Spherical Roller Bearings
  30BGS10G-2DST2	30	52	22	NACHI	Angular Contact Ball Bearings
  BK2520	25	32	20	SKF	Needle Roller Bearings
  KT 121710 EG	12	17		IKO	Needle Roller Bearings
  M86647/M86610	28.575	64.292	21.433	KBC	Tapered Roller Bearings
  N324	120	260	55	KOYO	Cylindrical Roller Bearings
  NJ 2330 E	150	320	108	NACHI	Cylindrical Roller Bearings
  NJ2218-E-M6+HJ2218-E	90	160	40	NKE	Cylindrical Roller Bearings
  NK19X34X18N	19,000	34,000	18,000	NTN	Needle Roller Bearings
  NP234	170	310	52	ISO	Cylindrical Roller Bearings
  UCFS319	95			KOYO	Bearing Units
  UCP318	90			CX	Bearing Units
  AD5250	250	460	6.0000	American	CYLINDRICAL ROLLER BEARINGS
  160340	1.0000	1.3750	2.5000	BAL	JOURNAL ROLLER ASSEMBLIES
  MBL-40	200	222	18	SKF	LOCKWASHERS
  SAV-4	4	12	4	CONSOLIDATED	SELF