d - 60 mm

D - 130 mm

T - 33,5 mm

B - 31 mm

C - 26 mm

a - 26,9 mm

r min. - 3 mm

r2 min. - 2,5 mm

da min. - 74 mm

da max - 77 mm

Da min - 112 mm

Da max. - 118 mm

Db min. - 120 mm

ra max. - 2,5 mm

rb max. - 2 mm

Weight - 2,08 Kg

Basic dynamic load rating (C) - 173 kN

Basic static load rating (C0) - 201 kN

(Grease) Lubrication Speed - 3100 r/min

(Oil) Lubrication Speed - 4100 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,96

Calculation factor (Y1) - 1,74

• Model Number: 30312JR
• Inner Diameter：60mm Outer Diameter：130mm Width：33,5mm
• Type：Tapered Roller Bearings
• Update date：2025-04-22
• Application:Body shaping,internal combustion engine,suction nozzle,Storage Tool,Broadcasting System,DC generators,Cylinder Standard,outdoor equipment,Security Equipment,machine lathe,chamfering machine etc
• Similar models:NKE 30312 NTN 30312 NTN 4T-30312D CX 30312A NTN 4T-430312DX NTN 430312U Timken X30312M/Y30312M NSK HR30312J Fersa 30312F KOYO 46T30312JR/59
• BEARING POWER International Trading Co.,Ltd. specialize in 30312JR products，there is large inventory of KOYO 30312JR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30312JR Which KOYO 30312JR 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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  M255449D/M255410A+A	288,925	406,4	144,462	NTN	Tapered Roller Bearings
  NKS25	25	37	20	AST	Needle Roller Bearings
  R1200-1	1200	1400	100	NSK	Cylindrical Roller Bearings
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  PWKR52-2RS	20	52	66	INA	ROLLER CAM FOLLOWERS
  51409				RHP	THRUST BALL BEARINGS
  6217-2RSNR	150	.313	28	FAG	DEEP GROOVE BALL BEARINGS
  109-KSZG	45	75	16	MRC	DEEP GROOVE BALL BEARINGS
  5310A-2RSNR	50	110	44.4	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  6208-2ZNR	40	80	18	STEYR	DEEP GROOVE BALL BEARINGS
  SS61706	30	37	4	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  6321-ZNR	105	225	49	CONSOLIDATED	DEEP GROOVE BALL BEARINGS