(dimensions in inches)

Bearing Type - Shielded

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.5000

Width (B) - 0.1875

Radius (min) (rs) - 0.006

Dynamic Load Rating (Cr) - 207

Static Load Rating (Cor) - 80

Max Speed (Grease) (X1000 RPM) - 40

Max Speed (Oil) (X1000 RPM) - 50

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

Min. Housing Shoulder Dia., Outer (Uo) - 0.457

Ball Qty - 8

Ball Dia (Dw) - 0.0787

Weight (g) - 2.32

Precision - A1

Standard Clearance - K25

Material - Martensitic Stainless Steel

Also available in 52100 Chrome Steel

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

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

• Model Number: SR188ZZ
• Inner Diameter：6,35mm Outer Diameter：12,7mm Width：4,7625mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-10
• Application:Cylinder Pneumatic Treatment Element,mechanical annex,pneumatic Pump,engineering machinery,shaft milling machine,wall industry,Broadcasting System,gear grinding machine,medical treatment,supporting facilities,woodworking machinery
• Similar models:NSK R188 ZEN R188 AST SRW188 AST SFRW188ZZ NSK FR188ZZ AST SRW188-2RS ISO R188-2RS ISB 61880MA SKF 61888MA ISB R188
• BEARING POWER International Trading Co.,Ltd. specialize in SR188ZZ products，there is large inventory of AST SR188ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the SR188ZZ Which AST SR188ZZ 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
  22238-MB	190	340	92	FAG	Spherical Roller Bearings
  32026-X-N11CA-A200-250	130	200	90	FAG	Tapered Roller Bearings
  23960CAKE4	300	420	90	NSK	Spherical Roller Bearings
  477/472A	63,5	120	29,002	Timken	Tapered Roller Bearings
  6306/HR22T2	30	72	19	SKF	Deep Groove Ball Bearings
  F-51025	10	22	11,3	FAG	Cylindrical Roller Bearings
  FR 2 ZZ	3,175	11,176	3,967	NSK	Deep Groove Ball Bearings
  HK4024	40	47	24	CX	Cylindrical Roller Bearings
  L44649/L44610	26,988	50,292	14,224	Fersa	Tapered Roller Bearings
  NA5914	70	100	40	NSK	Needle Roller Bearings
  RNA 4910	58	72	22	IKO	Needle Roller Bearings
  SL06038E	190	290	110	INA	CYLINDRICAL ROLLER BEARING
  6202-2ZNR	15	35	11	FAG	DEEP GROOVE BALL BEARINGS
  Q3L06X5	30	55	13	New Departure	DEEP GROOVE BALL BEARINGS
  Q3304X5	20	52	15	New Departure	DEEP GROOVE BALL BEARINGS
  1000SD39	1000	1320	236	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  4773L20	100	150	24	New Departure	DEEP GROOVE BALL BEARINGS
  R-2	.1250	.3750	.1562	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  SSR-18	1.1250	2.1250	.3750	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  HMLL-38			25	CONSOLIDATED	WITHDRAWAL NUTS