(dimensions in mm)

Bearing Type - Open

Bore Dia (d) - 1.0000

Outer Dia (D) - 4.0000

Width (B) - 1.6000

Radius (min) (rs) - 0.100

Dynamic Load Rating (Cr) - 120

Static Load Rating (Cor) - 30

Max Speed (Grease) (X1000 RPM) - 100

Max Speed (Oil) (X1000 RPM) - 120

Max. Shaft Shoulder Dia. Inner (Li) - 2.0

Min. Housing Shoulder Dia., Outer (Lo) - 3.8

Ball Qty - 5

Ball Dia (Dw) - 0.8000

Weight (g) - 0.11

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. Also, the equivalent ISO classes.

• Model Number:691H
• Inner Diameter：1mm Outer Diameter：4mm Width：1,6mm
• Type：Deep Groove Ball Bearings
• Update date：2026-01-13
• Application:storage shelves,Traffic Fire Protection Equipment Security equipment,Gear grinding machine,ECG,industrial fans,molding machine,powder metallurgy,Polymer,extruder,ventilation equipment,security
• Similar models:NSK 6911NR CYSD 6913-2RZ CYSD 6918-ZZ CYSD 6919-RS NACHI 6919ZZ NTN 6916LLB CYSD 6919-2RS NACHI 6912ZNR CYSD 6914-2RS CYSD 6915-Z
• BEARING POWER International Trading Co.,Ltd. specialize in 691H products，there is large inventory of AST 691H . We has been built up long-term cooperation with AST company, could make a bulk order of the 691H Which AST 691H 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
  1300	10	35	11	KOYO	Self-Aligning Ball Bearings
  29586/29522	63,5	107,95	25,4	Timken	Tapered Roller Bearings
  320/28	28	52	16	CYSD	Tapered Roller Bearings
  48684/48620	142,875	200,025	41,275	ISO	Tapered Roller Bearings
  6003NR	17	35	10	NACHI	Deep Groove Ball Bearings
  6068	340	520	82	CX	Deep Groove Ball Bearings
  FL617/5	5	8	2	CX	Deep Groove Ball Bearings
  IJ143012				ILJIN	Angular Contact Ball Bearings
  M12648/M12610	22,225	50,005	17,526	NSK	Tapered Roller Bearings
  NJ3138	190	320	104	ISO	Cylindrical Roller Bearings
  NU1872	360,000	440,000	38,000	NTN	Cylindrical Roller Bearings
  P6204-SB	20	47	14	ZEN	Deep Groove Ball Bearings
  QJ1044	220	340	56	ISO	Angular Contact Ball Bearings
  SR8-2RS	12,7	28,575	7,938	ZEN	Deep Groove Ball Bearings
  NUP2210	50	90	23	FAG	CYLINDRICAL ROLLER BEARINGS
  SD-3164	300			Torrington	PILLOW BLOCKS
  30230	150	270	45	STEYR	TAPERED ROLLER BEARINGS
  FPXD1200	12.0000	13.0000	.5000	SKF	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  6011RS	55	90	18	SKF	DEEP GROOVE BALL BEARINGS
  59428				CONSOLIDATED	THRUST BALL BEARINGS