(dimensions in inches)

Bearing Type - Shielded

Bore Dia (d) - 0.7500

Outer Dia (D) - 1.6250

Width (B) - 0.4375

Radius (min) (rs) - 0.031

Dynamic Load Rating (Cr) - 2,477

Static Load Rating (Cor) - 1,177

Max Speed (Grease) (X1000 RPM) - 17

Max Speed (Oil) (X1000 RPM) - 21

Max. Shaft Shoulder Dia. Inner (Ui) - 1.1

Min. Housing Shoulder Dia., Outer (Uo) - 1.474

Ball Qty - 9

Ball Dia (Dw) - 0.2500

Weight (g) - 69.30

Precision - A1

Standard Clearance - C0

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: R12ZZ
• Inner Diameter：19,05mm Outer Diameter：41,275mm Width：11,1125mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-18
• Application:air conditioning tools,wheel lathe,machine lathe,natural instruments,medical treatment,ventilation equipment,spectrometer,wire industry,Garment Accessories,clean stationery,spring industry
• Similar models:INA GE45-KRR-B-FA125.5 CX 62212-2RS ISO 6312-2RS SKF YAR209-112-2FW/VA201 NSK 32TM12 NTN-SNR 6212 Timken 126WD Timken G1215KLLB KOYO UC212L3 NSK 6812DD
• BEARING POWER International Trading Co.,Ltd. specialize in R12ZZ products，there is large inventory of AST R12ZZ . We has been built up long-term cooperation with AST company, could make a bulk order of the R12ZZ Which AST R12ZZ 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
  22356-MB-W33	280	580	175	NKE	Spherical Roller Bearings
  305KDG	25	62	17	Timken	Deep Groove Ball Bearings
  AST090 16580	165	170		AST	Plain Bearings
  5208-2RS	40	80	30.2	KOYO	Angular Contact Ball Bearings
  6307ZE	35	80	21	NACHI	Deep Groove Ball Bearings
  AST50 84IB60	133,35			AST	Plain Bearings
  LL225749/LL225710	127.000	165.895	18.258	NACHI	Tapered Roller Bearings
  N 214	70	125	24	SIGMA	Cylindrical Roller Bearings
  NJ1092	460	680	100	ISO	Cylindrical Roller Bearings
  NU 2316	80	170	58	ISB	Cylindrical Roller Bearings
  RC4928	140	190	50	NACHI	Cylindrical Roller Bearings
  TUP2 70.65	70	75		CX	Plain Bearings
  TUW1 24	24	42	1,5	CX	Plain Bearings
  UC305	25	62	38	CX	Deep Groove Ball Bearings
  GAR80DO	80		55	ELGES	ROD ENDS
  C1822HCUL	110	140	16	Barden	ANGULAR CONTACT BALL BEARINGS
  NA071712	7	17	12	SKF (Old No.)	NEEDLE BEARINGS
  A-406080	2.5000	3.7500	5.0000	Thomson	LINEAR RECIRCULATING BALL BEARINGS
  70RIN300	7.0000	13.5000	2.5000	Torrington	CYLINDRICAL ROLLER BEARINGS
  5220	100	180	60.3	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS