(dimensions in inches)

Bearing Type - Open

Bore Dia (d) - 1.1250

Outer Dia (D) - 2.1250

Width (B) - 0.3750

Radius (min) (rs) - 0.031

Dynamic Load Rating (Cr) - 3,492

Static Load Rating (Cor) - 1,817

Ball Qty - 11

Ball Dia (Dw) - 0.2813

Weight (g) - 91.00

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.

• Model Number:R18
• Inner Diameter：28,575mm Outer Diameter：53,975mm Width：9,525mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-12
• Application:Low-voltage electrical equipment,sucker industry,screen filter,miscellaneous instruments,lifting chain,van,Spectrum Products,Medical printer,survey accessories,Plastic Equipment,hot and cold box
• Similar models:ISO 61822-2RS ISB SS61807 NMB RI-418ZZ CX FL618/7ZZ ZEN 61828-2Z SKF D/WR1810-2ZS CYSD 6918-Z ISB SS618/4 KOYO 6918-2RS SNR EX318-56
• BEARING POWER International Trading Co.,Ltd. specialize in R18 products，there is large inventory of AST R18 . We has been built up long-term cooperation with AST company, could make a bulk order of the R18 Which AST R18 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
  12168/12303	42,862	76,992	17,465	Timken	Tapered Roller Bearings
  211WD	55	100	21	Timken	Deep Groove Ball Bearings
  23020CDE4	100	150	37	NSK	Spherical Roller Bearings
  33209	45	85	32	NTN	Tapered Roller Bearings
  6002-C-2BRS	15	32	9	FAG	Deep Groove Ball Bearings
  AR 10 55 78,4	55	78	10	Timken	Needle Roller Bearings
  DE3606	180,000	250,000	66,000	NTN	Angular Contact Ball Bearings
  DL 25 16	25	33	16	KOYO	Needle Roller Bearings
  F19047	60	116	28	Fersa	Cylindrical Roller Bearings
  HJ-445624 + IR-364424	57,15	88,9	38,1	NSK	Needle Roller Bearings
  TCJT35-N	35			INA	Bearing Units
  SL014852	260	320	60	NBS	Cylindrical Roller Bearings
  SB1400B	1420	1800	150	KOYO	Deep Groove Ball Bearings
  UC309-28	44,45	100	57	KOYO	Deep Groove Ball Bearings
  UC321	105	225	112	NACHI	Deep Groove Ball Bearings
  33019	95	145	39	FAG	TAPERED ROLLER BEARINGS
  150SD31	150	250	80	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  NUP-418	90	225	54	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  RLS-18-LL	2.7500	5.2500	.9375	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  MI-20	1.2500		1.2600	CONSOLIDATED	NEEDLE BEARINGS