(dimensions in inches)

Bearing Type - Open

Bore Dia (d) - 1.2500

Outer Dia (D) - 2.2500

Width (B) - 0.3750

Radius (min) (rs) - 0.031

Dynamic Load Rating (Cr) - 3,695

Static Load Rating (Cor) - 1,986

Ball Qty - 12

Ball Dia (Dw) - 0.2813

Weight (g) - 102.00

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:R20
• Inner Diameter：31,75mm Outer Diameter：57,15mm Width：9,525mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-09
• Application:casting embedding,Hydraulic Press,Broadcasting System,boring bar boring bar,position switch,hydraulic connector,Medical room equipment,plastic blow molding,clean stationery,Film machine,plant determination
• Similar models:KOYO NA205 SKF 6220-2Z SKF 6204ETN9 FYH RB204 Timken 206P CX 4202 FYH UC207-23 NTN EC-6205LLB Timken 203K PFI 6202-2RSd14C3
• BEARING POWER International Trading Co.,Ltd. specialize in R20 products，there is large inventory of AST R20 . We has been built up long-term cooperation with AST company, could make a bulk order of the R20 Which AST R20 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
  1633	15,875	44,45	12,7	CYSD	Deep Groove Ball Bearings
  436/432D+X1S-436	46,038	95,25	61,915	Timken	Tapered Roller Bearings
  61805 ZZ	25	37	7	CX	Deep Groove Ball Bearings
  6234ZX	170	310	52	KOYO	Deep Groove Ball Bearings
  7924C	120	165	22	NTN	Angular Contact Ball Bearings
  BK081512	8	15	12	ISO	Cylindrical Roller Bearings
  KDX160	406,4	431,8	12,7	KOYO	Angular Contact Ball Bearings
  N318ECP	90	190	43	SKF	Cylindrical Roller Bearings
  NK17/16	17	25	16	KOYO	Needle Roller Bearings
  NNCF4940-V	200	260	80	NKE	Cylindrical Roller Bearings
  TSF 08 BB	8			ISB	Self-Aligning Ball Bearings
  UCF207-22	34,925			KOYO	Bearing Units
  303K	17	47	14	FAF	DEEP GROOVE BALL BEARINGS
  LP2219U	95	170	43	Rollway	CYLINDRICAL ROLLER BEARINGS
  NKI10/20	10	22	20	INA	NEEDLE BEARINGS
  CF-11/8-SB	.4375	1.1250	.6250	McGill	NEEDLE BEARINGS
  19BB	90	190	64	RIV	DEEP GROOVE BALL BEARINGS
  FNT-3552	35	52	2	Torrington	THRUST NEEDLE BEARINGS
  RXLS-16	16.0000	21.5000	2.7500	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  RLS-321/2-LL	14.5000	22.0000	3.0000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS