d - 139,7 mm

D - 215,9 mm

T - 47,625 mm

B - 47,625 mm

C - 34,925 mm

ra1 max. - 3,3 mm

a - 48,4 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 196 mm

db - 151 mm

ra max. - 3,5 mm

da - 158 mm

Db - 208 mm

Weight - 5,92 Kg

Basic dynamic load rating (C) - 287 kN

Basic static load rating (C0) - 495 kN

(Grease) Lubrication Speed - 1500 r/min

(Oil) Lubrication Speed - 2000 r/min

Calculation factor (e) - 0,49

Calculation factor (Y0) - 0,68

Calculation factor (Y1) - 1,2

• Model Number: 74550/74850
• Inner Diameter：139,7mm Outer Diameter：215,9mm Width：47,625mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Roller,thread processing machine,circulating pump,respirator,wall industry,Cylinder Special,stacker lift platform,Ball screw,Hydraulic Rama,surgical instruments,tooth filling
• Similar models:ISO 74550A/74850 NACHI 74550/74850 NTN 4T-74550/74845 ISO 74550/74845 AST 74550A/74850 Timken 74550/74850B NSK 74550/74850 ISO 74550/74850 FBJ 74550/74850 CX 74550/74845
• BEARING POWER International Trading Co.,Ltd. specialize in 74550/74850 products，there is large inventory of NSK 74550/74850 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 74550/74850 Which NSK 74550/74850 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
  30302	15	42	14,25	CRAFT	Tapered Roller Bearings
  6203-2RS	17	40	12	ZEN	Deep Groove Ball Bearings
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  ML71907HVUJ74S	35	55	10	SNR	Angular Contact Ball Bearings
  NFV1892	460,000	580,000	56,000	NTN	Cylindrical Roller Bearings
  NJ309EM	45	100	25	NSK	Cylindrical Roller Bearings
  316WDD	80	170	39	FAF	DEEP GROOVE BALL BEARINGS
  GS81184	424	500		FAG	THRUST ROLLER BEARINGS
  R330E	30	72	19	HOFF	CYLINDRICAL ROLLER BEARINGS
  SAF618	3.1875			SKF	PILLOW BLOCKS
  STR-10	.6250	.8750	.1562	FAG	DEEP GROOVE BALL BEARINGS
  RF-1650ZZ	5	16	5	NMB	DEEP GROOVE BALL BEARINGS
  110SD32	110	200	69.8	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  51115				SNR	THRUST BALL BEARINGS
  51207				SNR	THRUST BALL BEARINGS
  51213				SNR	THRUST BALL BEARINGS
  T-774				CONSOLIDATED	THRUST ROLLER BEARINGS
  LER-79	3.4375		17.51	CONSOLIDATED	TRIPLE RING ALUMINUM SEALS FOR SAF TYPE PILLOW BLOCKS
  NNTR-70-2RSX	70	180	85	CONSOLIDATED	YOKE TYPE TRACK ROLLER
  HMV-55M			58	CONSOLIDATED	HYDRAULIC NUTS