d - 28,575 mm

D - 57,15 mm

T - 19,845 mm

B - 19,355 mm

C - 15,875 mm

a - 13,9 mm

r min. - 3,6 mm

r2 min. - 1,6 mm

da min. - 39,5 mm

Da - 51 mm

db min - 33,5 mm

ra max. - 3,6 mm

rb max. - 1,6 mm

Db - 53,5 mm

Weight - 0,227 Kg

Basic dynamic load rating (C) - 48,8 kN

Basic static load rating (C0) - 57,1 kN

(Grease) Lubrication Speed - 7000 r/min

(Oil) Lubrication Speed - 9300 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 1

Calculation factor (Y1) - 1,82

• Model Number: 1988R/1922
• Inner Diameter：28,575mm Outer Diameter：57,15mm Width：19,845mm
• Type：Tapered Roller Bearings
• Update date：2025-04-24
• Application:Industrial equipment,orthodontic material,casting embedding,pneumatic Pump,Spectrum Products,intermediate,beverage production,generator,circulating pump,thread processing machine,Beauty and Body
• Similar models:Timken 1988/1932 AST 1988/1922 NACHI H-1988R/H-1922 ISO 1988/1922 ISO 1988/1932 Fersa 1988/1931 NTN 4T-1988/1922 CX 1988/1932 FBJ 1988/1932 CX 1988/1922
• BEARING POWER International Trading Co.,Ltd. specialize in 1988R/1922 products，there is large inventory of KOYO 1988R/1922 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 1988R/1922 Which KOYO 1988R/1922 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.

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  5213ZZ	65	120	38.1	KOYO	Angular Contact Ball Bearings
  52FC40335W	260	400	335	KOYO	Cylindrical Roller Bearings
  6000	10	26	8	KBC	Deep Groove Ball Bearings
  6007F604	35,000	62,000	14,000	SNR	Deep Groove Ball Bearings
  628/4 ZZ	4	9	3,5	CX	Deep Groove Ball Bearings
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  AST20 WC12	10	24		AST	Plain Bearings
  C 4028 V	210	140	69	SKF	Cylindrical Roller Bearings
  HCS71924-E-T-P4S	120	165	22	FAG	Angular Contact Ball Bearings
  MJ-781	11.113	15.875	12.70	KOYO	Needle Roller Bearings
  NP889967/NP714580	41,275	73,431	19,558	Timken	Tapered Roller Bearings
  NU 1012 ECP	95	60	18	SKF	Thrust Ball Bearings
  UCX07	35	80	49,2	CX	Deep Groove Ball Bearings
  UCPK328	140		145	NACHI	Bearing Units
  ATP-143				American	THRUST ROLLER BEARING WITH SPHERICAL SEATING RING
  23932	160	220	45	Torrington	SPHERICAL ROLLER BEARINGS
  7006CDP4GA	30	55	13	SKF	ANGULAR CONTACT BALL BEARINGS
  K-80x88x22	80	88	22	CONSOLIDATED	NEEDLE BEARINGS
  230/1500	1500	2120	462	CONSOLIDATED	SPHERICAL ROLLER BEARINGS