(dimensions in inches)

Bearing Type - Shielded

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.6250

Width (B) - 0.1960

Radius (min) (rs) - 0.002

Dynamic Load Rating (Cr) - 333

Static Load Rating (Cor) - 131

Max Speed (Grease) (X1000 RPM) - 38

Max Speed (Oil) (X1000 RPM) - 45

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

Min. Housing Shoulder Dia., Outer (Uo) - 0.534

Ball Qty - 8

Ball Dia (Dw) - 0.0937

Weight (g) - 4.54

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 metal shields = (ZZ), also available with a single metal shield = (Z).

• Model Number:R4ZZ
• Inner Diameter：6,35mm Outer Diameter：15,875mm Width：4,9784mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:trolley,sleep monitoring,security equipment,Traffic Fire Protection Equipment Security equipment,hydraulic control element,respirator,paper processing machine,stacker lift platform,spring industry,thin metal materials,security equipment
• Similar models:ISB 6011-Z FBJ 16003-2RS ISO F685ZZ SNR CES207-22 NKE 6407-NR ZEN Y17.C3 ZEN 695-2RS CX 61834 Timken GYA103RRB2 SNR UK213+H-36
• BEARING POWER International Trading Co.,Ltd. specialize in R4ZZ products，there is large inventory of AST R4ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the R4ZZ Which AST R4ZZ 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
  15101/15244	25,4	62	20,638	FBJ	Tapered Roller Bearings
  23132W33	160	270	86	ISO	Spherical Roller Bearings
  29328E	140	240	60	NACHI	Thrust Roller Bearings
  6300	10	35	11	ZEN	Deep Groove Ball Bearings
  81156M	280	350	53	SKF	Thrust Roller Bearings
  BSC-2039V	90	150	72	SKF	Cylindrical Roller Bearings
  GB10884	34	64	37	SNR	Angular Contact Ball Bearings
  GE 10 DO	10	19	9	INA	Plain Bearings
  HAR022CA	110	170	28	KOYO	Angular Contact Ball Bearings
  HC71901-E-T-P4S	12	24	6	FAG	Angular Contact Ball Bearings
  KBK14×18×17	14	18		NTN	Needle Roller Bearings
  M270749/10	447,675	635	120,65	ISO	Tapered Roller Bearings
  NCF2996 V	480	650	100	ISO	Cylindrical Roller Bearings
  NK73/35	73	90	35	AST	Needle Roller Bearings
  NUP2240EM	200	360	98	NSK	Cylindrical Roller Bearings
  RS-5012	60	95	46	NSK	Cylindrical Roller Bearings
  S71919 CD/HCP4A	130	95	18	SKF	Angular Contact Ball Bearings
  110CM789	11.0000	17.5000	2.2500	American	CYLINDRICAL ROLLER BEARINGS
  308-ZZ	40	90	23	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  R-120-LL	20	47	14	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS