(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：2025-12-15
• Application:squeeze machine etc,chemical raw materials and reagents,tobacco machinery,stacker lift platform,sewage pump,animal,Broadcasting System,wheel lathe,mobile toilet,metal mold,Vertical pull
• Similar models:NTN 6210LLB ZEN 61707-2Z ISB 4208ATN9 SKF D/WR156-2ZS ZEN 681 FYH ER201 ISO 61802ZZ CX SB204 AST 6221ZZ NTN 68/630
• 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
  21316 KCW33+AH316	80	170	39	CX	Spherical Roller Bearings
  22330	150	320	108	FBJ	Spherical Roller Bearings
  22338 EKW33+H2338	170	400	132	ISB	Spherical Roller Bearings
  30326D	130	280	63,75	KOYO	Tapered Roller Bearings
  3208-2RS	40	80	30,2	ISB	Angular Contact Ball Bearings
  32219J/DF	95	170	91	ISB	Tapered Roller Bearings
  4T-33111	55	95	30	NTN	Tapered Roller Bearings
  7002 ACE/P4AH	32	15	9	SKF	Angular Contact Ball Bearings
  71811 CD/P4	72	55	9	SKF	Angular Contact Ball Bearings
  7202DF	15	35	11	NTN	Angular Contact Ball Bearings
  HCB71917-E-T-P4S	85	120	18	FAG	Angular Contact Ball Bearings
  J-812	12.700	17.463	19.05	KOYO	Needle Roller Bearings
  PCM 161815 E	16	18	15	SKF	Plain Bearings
  PCZ 4456 E	69,85	74,613	88,9	SKF	Plain Bearings
  TAM 2210	22	29	10	IKO	Needle Roller Bearings
  UCPA202-10	15,875		31	KOYO	Bearing Units
  USPAE212	60			SNR	Bearing Units
  WBB1-8714	25	20	4	SKF	Deep Groove Ball Bearings
  101-KRDU#7BKE	12	28	8	MRC	ANGULAR CONTACT BALL BEARINGS
  80TTHD034	8.0000	16.5000		Torrington	TAPERED ROLLER THRUST BEARINGS