IKO Bearing Cross Reference Interchange Chart

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IKO Bearing Cross Reference Interchange Chart

As a representative of Japanese precision engineering, IKO bearings are world-renowned for their high quality and reliability. IKO bearings are widely used in industrial machinery, automobiles, aerospace and other fields. Its product line covers needle roller bearings, sliding bearings, spherical bearings and other types. IKO’s product line covers various types of bearings from micro to large, and has significant advantages in high precision, high load and special environment applications. This article will provide a detailed interchange table between IKO bearings and other brands of bearings, discuss matters needing attention in cross-interchange, and analyze the practical application of cross-reference interchange through specific cases.

Introduction to IKO bearings

IKO (Nihon Tokiko Co., Ltd.) was founded in 1950 and is a company specializing in precision machinery manufacturing. With its innovative technology and strict quality control, IKO has quickly occupied an important position in the global market. The main products of IKO bearings include needle roller bearings, sliding bearings and linear motion systems, which are widely used in various industrial fields. IKO’s products are mainly divided into four categories: needle bearings, spherical bearings, sliding bearings and linear motion systems. Each of these bearing types has its own characteristics and meets the diverse needs of different industrial fields.

Needle Roller Bearings: Known for their high load carrying capacity and small size, they are suitable for compact mechanical equipment.
Spherical Bearings: can withstand axial and radial loads and are widely used in high load and high vibration environments.
Plain Bearings: Suitable for low-speed, high-load applications, with long service life and good lubrication performance.
Linear Motion Systems: including linear guide rails, sliders and other components, which are widely used in automation equipment and precision machinery.

IKO Bearing Model Number Prefix

Prefix	Meaning	Prefix	Meaning
BA	Standard needle bearing	RNA	Needle roller bearing, no inner ring
BH	Open end needle bearing	NA	Needle roller bearing, with inner ring
BHA	Reduced bore needle bearing	NAX	Needle roller with thrust washer
BR	Needle roller bearing, without inner ring	NAST	Needle roller and thrust combination bearing
TA	Closed end needle bearing	LWL	Miniature linear guide
TLA	Closed end small needle bearing	LWHD	Heavy-duty linear guide
YT	Inch-size needle roller bearing	LWHS	High rigidity linear guide
YTL	Closed end inch-size needle bearing	LWHT	Super heavy-duty linear guide
CFS	Small cam follower	CR	Cam roller
CFH	Heavy-duty cam follower	CRH	Heavy-duty cam roller
CFE	Eccentric cam follower	CF	Miniature cam follower
CRSB	Stud type cam follower	CFT	Cylindrical cam follower
CRY	Yoke type cam follower	PHS	Standard spherical bearing
CRB	Roller type cam follower	POS	Miniature spherical bearing
NUKR	Heavy-duty needle bearing	GE	General-purpose spherical bearing
NATR	Needle bearing with thrust disk	SB	Standard plain bearing
NUTR	Needle bearing with support ring	SA	Self-aligning plain bearing
LWL12	Linear motion guide, size 12	GX	High-load plain bearing
LWLF	Linear guide with flange	NUKR	Heavy-duty needle roller bearing
LWLA	Anti-corrosion linear guide	NATR	Needle roller with thrust disk
CRH16	Cam roller, size 16	NUTR	Needle roller with support ring
CFS5	Small cam follower, size 5	CRN	Miniature needle roller bearing
CR7	Cam follower, size 7	CRB	Heavy-duty needle roller bearing
CFH8	Heavy-duty cam follower, size 8	KHS	Small linear rail
CRSB10	Stud type cam follower, size 10	KHR	High rigidity linear rail

IKO Bearing Model Number Suffix

Suffix	Meaning	Suffix	Meaning
UU	Double contact seals	ZZ	Double shield
RS	Contact seal on one side	C2	Reduced internal clearance
2RS	Contact seal on both sides	C3	Increased internal clearance
Z	Shield on one side	C4	Larger internal clearance
P5	Precision class 5	P6	Precision class 6
V	Full complement	J	Polyamide cage
TN	Nylon cage	K	Tapered bore
D	Oil hole	B	Brass cage
G	Grooved raceway	A	Improved performance
N	Snap ring groove	R	High-speed version
M	Machined brass cage	X	Special design
T	Thrust type	F	Flanged outer ring
H	Heavy load	L	Light load
W	Wide series	S	High-strength material
Y	Extra-wide series	E	Extra load capacity
Q	Quiet operation	DDU	Double contact seals, high-temp
A1	Anti-corrosion	DZZ	Double shield, high-temp
C5	Extra-large internal clearance	V3	Vibration grade 3
V4	Vibration grade 4	NR	Snap ring
F1	Food-grade lubrication	E1	Enhanced load capacity
C1	Precision class 1	R1	Reduced noise
W33	Lubrication groove	K30	Tapered bore, 30mm
VP	Special vibration protection	B20	Brass cage, 20mm width
T1	Thrust type, high load	F8	Flanged outer ring, 8mm thickness
B2	Double brass cage	E2	Extra load, 2nd gen
N1	Snap ring groove, precision	H2	Heavy load, 2nd gen
T3	Triple thrust type	X1	Special design, gen 1
W8	Wide series, 8mm thick	S2	High-strength material, 2nd gen
F3	Flanged outer ring, 3rd gen	G2	Grooved raceway, gen 2
D2	Double oil hole	P7	Precision class 7
H1	Heavy load, gen 1	C6	Internal clearance, grade 6
K40	Tapered bore, 40mm	A2	Improved performance, gen 2
TN9	Nylon cage, 9mm	ZZ2	Double shield, gen 2
RZ	Non-contact seal on one side	ZZ3	Double shield, gen 3

These prefix and suffix codes represent different types and characteristics of IKO bearings, which help to accurately understand the specific parameters and uses of the products when selecting and applying IKO bearings.

IKO Needle Roller Bearings Cross Reference Chart

The bearing cross-reference table can ensure that when a bearing is damaged or needs to be replaced, a suitable replacement product can be found quickly, and a cost-effective replacement bearing can be selected, reducing the company’s cost expenditure on procurement and maintenance. Using the cross-reference table, you can flexibly purchase bearings from different suppliers to avoid the risk of supply shortages caused by problems with a single supplier. This flexibility helps companies maintain their advantages in market competition.

Bearnig type		IKO part number	Interchange table
Bearnig type		IKO part number	INA	SKF	TORRINGTON
Shell type needle roller bearings	Metric dimension Open end	TLA..Z e.g., TLA 1010 Z	HK HK 1010	HK HK 1010	FJ FJV-1010
	Metric dimension Closed end	TLAM TLAM 1010	BK BK 1010	BK BK 1010
	Metric dimension Open end With seals	TLA..UU TLA 1416 UU	HK..2RS HK 1416 .2RS	HK..2RS HK 1416 .2RS	FJTT FJTT-1416
	Inch dimension Open end	BA..ZOH BA 55 ZOH	SCE SCE 55		J J-55
	Inch dimension Closed end	BAM BAM 55	BCE BCE 55		MJ MJ-551
	Inch dimension Open end	BHA..ZOH BHA 88 ZOH	SCH SCH 88		JH JH-88
	Inch dimension Closed end	BHAM BHAM 88	BCH BCH 88		MJH MJH-881
	Inch dimension Open end	YB, YBH YB 68	SN SN 68		Y Y-68
Needle roller cages	Metric dimension	KT KT 61013	K K6X10X13 TN	K K6X10X13 TN
	Metric dimension For connecting rod of engine	KT..EG KT 121610 EG	KZK KZK 12X16X10	KZK KZK 12X16X10
	Metric dimension For connecting rod of engine	KTV..EG KTV 121613 EG	KBK KBK 12X16X13	KBK KBK 12X16X13
Machined type needle roller bearings	Metric dimension With inner ring	NA49 NA4900	NA49 NA4900	NA49 NA4900
		NA69 NA6901	NA6901 NA6901	NA6901 NA6901
		NA48 NA4822	NA48 NA4822	NA48 NA4822
		TAFI TAFI 51512	NKI NKI 5/12 TN	NKI NKI 5/12
		NAF NAF 61710	NAO NAO 6X17X10 TN	NAO NAO 6X17X10 TN
	Metric dimension Without inner ring	RNA RNA4900	RNA RNA4900	RNA RNA4900
		RNA69 RNA6901	RNA69 RNA6901	RNA69 RNA6901
		RNA48 RNA4822	RNA48 RNA4822	RNA48 RNA4822
		TAF TAF 81512	NK NK 8/12 TN	NK NK 8/12
		RNAF RNAF 101710	RNAO RNAO 10X17X10 TN	RNAO RNAO 10X17X10 TN
	Inch dimension	BR BR 101812	NCS NCS 1012		HJ HJ-101812
Needle roller bearings with thrust ball bearings	Without cover	NAX NAX 1023	NKX NKX 10 TN	NKX NKX 10 TN
Needle roller bearings with thrust ball bearings	With cover	NAX..Z NAX 1023 Z	NKX NKX 10 ZTN	NKX NKX 10 ZTN
Needle roller bearings with thrust roller bearings	Without cover	NBX NBX 1523	NKXR NKXR 15	NKXR NKXR 15
Needle roller bearings with thrust roller bearings	With cover	NBX..Z NBX 1523 Z	NKXR..Z NKXR 15 Z	NKXR..Z NKXR 15 Z
Needle roller bearings with thrust ball bearings	Without cover	NAXI NAXI 723	NKX..+IR NKX10TN+IR7X10X6	NKX..+IR NKX10TN+IR7X10X6
Needle roller bearings with thrust ball bearings	With cover	NAXI..Z NAXI 723 Z	NKX..Z+IR NKX10ZTN+IR7X10X16	NKX..Z+IR NKX10ZTN+IR7X10X16
Needle roller bearings with thrust ruller bearings	Without cover	NBXI NBXI 1223	NKXR..+IR NKXR 15 + IR12X15X16	NKXR..+IR NKXR 15 + IR12X15X16
Needle roller bearings with thrust ruller bearings	With cover	NBXI..Z NBXI 1223 Z	NKXR..Z+IR NKXR 15 Z+ IR12X15X16	NKXR..Z+IR NKXR 15 Z+ IR12X15X16
Needle roller bearings with angular contact thrust bearings		NATA NATA 5902	NKIA NKIA 5902	NKIA NKIA 5902
Needle roller bearings with 3-point contact ball bearings		NATB NATB 5902	NKIB NKIB 5902	NKIB NKIB 5902

IKO Roller Bearing Cross Reference

Bearnig type		IKO part number	Interchange table
Bearnig type		IKO part number	INA	SKF
Roller bearings for sheaves	Metric dimension	NAS50..UUNR NAS 5008 UUNR	SL0450..PPX SL045008PPX	NNF50..ADA.2LSV NNF5008ADA.2LSV

IKO Thrust Bearing Cross Reference

Bearnig type		IKO part number	Interchange table
Bearnig type		IKO part number	INA	SKF	FAG	TORRINGTON
Thrust needle roller bearings	Metric dimension	NTB NTB 1024	AXK AXK 1024	AXK AXK 1024	AXK AXK 1024	FNT FNT-1024
	Metric dimension Thrust washers	AS AS 1024	AS AS 1024	AS AS 1024	AS AS 1024	FTRA FTRA-1024
	Metric dimension Thrust races	GS GS 1528	GS GS 81102	GS GS 81102	GS GS 81102
	Metric dimension Thrust races	WS WS 1528	WS WS 81102	WS WS 81102	WS WS 81102
Thrust roller bearings	Metric dimension	AZK AZK 15283.5	K K 81102 TN	K K 81102 TN	K K 81102 LPB
Thrust roller bearings	Metric dimension	AZ AZ 15289	811, 812 81102 TN	811, 812 81102

IKO Cam Followers Cross Reference

Type	IKO Number		INA		THK
Type	Cylindrical outer ring	Crowned outer ring	Cylindrical outer ring	Crowned outer ring	Cylindrical outer ring	Crowned outer ring
Cam followers	CFKR CFKR 30	CFKR..R CFKR 30 R	KR..X KR 30 X	KR KR 30	CF..AB CF 12 AB	CF..R-AB CF 12 R-AB
Cam followers with seals	CFKR..UU CFKR 30 UU	CFKR..UUR CFKR 30 UUR	KR..PPX KR 30 PPX	KR..PP KR 30 PP	CF..UUAB CF 12 UUAB	CF..UUR-AB CF 12 UUR-AB
cam followers, full complement	CFKR..V CFKR 30 V	CFKR..VR CFKR 30 VR	KRV..X KRV 30 X	KRV KRV 30	CF..VAB CF 12 VAB	CF ..VRAB CF 12 VRAB
Cam followers with seals, full complement	CFKR..VUU CFKR 30 VUU	CFKR..VUUR CFKR 30 VUUR	KRV..PPX KRV 30 PPX	KRV..PP KRV 30 PP	CF..VUUAB CF 12 VUUAB	CF..VUURAB CF 12 VUURAB
Cam followers	CF CF 6	CF..R CF 6 R	KR..X KR 16 X	KR KR 16
	CF..UU CF 6 UU	CF..UUR CF 6 UUR	KR..PPX KR 16 PPX	KR..PP KR 16 PP
	CF..B CF 6 B	CF..BR CF 6 BR	KR..XSK KR 16 XSK	KR..SK KR 16 SK
	CFE CFE6	CFE..R CFE 6 R	KRE..X KRE16X	KRE KRE16
	CFE..B CFE 6 B	CFE..BR CFE 6 BR	KRE..XSK KRE 16 XSK	KRE..SK KRE16SK
		NUCF..R NUCF16R	NUKR..X NUKR 35 X	NUKR NUKR 35
cam followers, full complement	CF..V CF 6 V	CF..VR CF 6 VR	KRV..X KRV 16 X	KRV KRV 16
	CF..VB CF 6 VB	CF..VBR CF 6 VBR	KRV..XSK KRV 16 XSK	KRV..SK KRV 16 SK
	CFE..V CFE 6 V	CFE..VR CFE 6 VR	KRVE..X KRVE 16 X	KRVE KRVE 16
	CFE..VB CFE 6 VB	CFE..VBR CFE 6 VBR	KRVE..XSK KRVE 16 XSK	KRVE..SK KRVE 16 SK

IKO Roller Followers Cross Reference

Type	IKO Number		INA		SKF		MCGILL
Type	With inner ring	Without inner ring	With inner ring	Without inner ring	With inner ring	Without inner ring	With inner ring	Without inner ring
Roller followers	NAST NAST 6	RANST RNAST 6	STO..X STO 6 TNX	RSTO..X RSTO 6 TNX	STO..X STO 6 TNX	RSTO..X RSTO 6 TNX
	NAST..R NAST 6 R	RANST..R RNAST 6 R	STO STO 6 TN	RSTO RSTO 6 TN	STO STO 6 TN	RSTO RSTO 6 TN
	NURT NURT 15		NUTR..X NUTR 15 X				MCYRD..X MCYRD-15 X
	NURT..R NURT 15 R		NUTR NUTR 15				MCYRD MCYRD-15
Roller followers, full complement	NART..VR NART 5 VR		NATV NATV 5		NATV NATV 5		MCYR MCYR-5
Roller followers, inch series	CRY..V CRY 12 V						CYR CYR 3/4
Roller followers, inch series	CRY..VR CRY 12 VR						CCYR CCYR 3/4

IKO Spherical Bushing Cross Reference

Type	IKO Number		INA		SKF
Type	Without seal	With seals	Without seal	With seals	Without seal	With seals
Speherical bushings, metric dimension	GE..E(S) GE 15 ES	GE..ES-2RS GE 15 ES-2RS	GE..DO GE 15 DO	GE..DO-2RS GE 15 DO-2RS	GE..E(S) GE 15 ES	GE..ES-2RS GE 15 ES-2RS
	GE..G(S) GE 70 GS	GE..GS-2RS GE 70 GS-2RS	GE..FO GE 70 FO	GE..FO-2RS GE 70 FO-2RS	GEH..ES GEH 70 ES	GEH..ES-2RS GEH 70 ES-2RS
	GE..EC GE 30 EC	GE..EC-2RS GE 30 EC-2RS	GE..UK GE 30 UK	GE..UK-2RS GE 30 UK-2RS		GE..TE-2RS GE 30 TE-2RS
Speherical bushings, inch dimension	SBB SBB 12	SBB..-2RS SBB 12-2RS	GE..ZO GE 12 ZO	GE..ZO-2RS GE 12 ZO-2RS	GEZ..ES GEZ12ES	GEZ..ES-2RS GEZ12ES-2RS

IKO Bearing Advantages

Quality and precision

IKO bearings are known for their high precision and quality. They strictly control errors during the production process to ensure the reliability and stability of the bearings. Compared with other brands, IKO bearings have obvious advantages in service life and durability.

High cost performance

While IKO bearings may be slightly higher in price than some brands, their long service life and high reliability result in a lower total cost of ownership. Compared with SKF, FAG,TIMKEN, NSK, NTN and other brands, IKO bearings perform particularly well in high-load and high-precision applications.

Rich product line

IKO offers a wide range of bearing types, covering a variety of application needs from micro to large, from low speed to high speed. This enables IKO bearings to meet the diverse needs of different industrial fields and have strong market competitiveness.

Strong innovation ability

IKO invests heavily in R&D and technological innovation, and constantly launches new products and technologies. For example, IKO’s needle roller bearings have made major breakthroughs in load-bearing capacity and lifespan, significantly improving the operating efficiency and reliability of equipment.

Precautions for cross interchange of IKO bearings

Specifications match

When exchanging bearings, it is necessary to ensure that the specifications of the old and new bearings completely match, including inner diameter, outer diameter, width, sealing form and other parameters. If the specifications do not match, it may cause difficulty in bearing installation or affect the normal operation of the equipment.

load capacity

Different brands of bearings may have differences in design and material selection, so even if they are the same size, their load capacities may be different. When exchanging bearings, you need to ensure that the replacement bearing can handle the actual load of the equipment.

working environment

Different bearings may have different characteristics in terms of temperature resistance, corrosion resistance, etc. When selecting replacement bearings, it is necessary to consider the working environment of the equipment and select bearings with appropriate materials and characteristics to ensure long-term stable operation of the equipment.

Lubrication requirements

Different brands of bearings may have different lubrication requirements. When exchanging bearings, appropriate lubricants should be selected according to the lubrication requirements of the bearings, and lubricated as required to ensure normal operation and life of the bearings.

Case study of IKO bearing interchange

Case 1: Bearing exchange in the automobile manufacturing industry
An automobile manufacturing company used a batch of IKO needle roller bearings (model: NA4903) in the production process. Due to supply chain issues, companies need to find alternative bearings. After referring to the cross-exchange table, the company selected SKF’s RNA4903 bearing as a replacement. After testing, SKF bearings were equivalent to IKO bearings in terms of load capacity and service life, and seamless replacement was successfully achieved, ensuring the normal operation of the production line.

Case 2: Bearing exchange in the machining industry
A machining company’s equipment originally used IKO’s TA1510Z bearings. Since the supplier was unable to supply the bearings in time, the company needed to find alternative products. After referring to the cross-interchange table, the company selected NSK’s HK1510 bearings. By comparison, NSK bearings are not much different from IKO bearings in terms of wear resistance and vibration resistance, and they have been successfully interchanged.

Conclusion

IKO bearings occupy an important position in the global market with their high quality and high reliability. Through the introduction of this article, we understand the types, code structure and advantages of IKO bearings compared with other brands of bearings. The bearing cross-reference table provides convenience for enterprises in practical applications, helping them to flexibly respond to supply chain changes, reduce maintenance costs, and improve production efficiency. When exchanging bearings, attention should be paid to factors such as specification matching, load capacity, working environment and lubrication requirements to ensure stable operation and long service life of the equipment.

FAQ

1. What are the advantages of IKO bearings compared with other brands of bearings?

IKO bearings are known for their high precision, quality and innovation, with long service life and low total cost of ownership.

2. How to use the bearing cross reference table for replacement?

Cross-reference tables allow you to find corresponding models between different brands, ensuring that replacement bearing specifications and performance meet equipment needs.

3. What issues should be paid attention to when cross-exchanging bearings?

It is necessary to pay attention to the matching of bearing specifications, confirmation of load capacity, adaptability to the working environment and satisfaction of lubrication requirements.

4. What do the code prefixes and suffixes of IKO bearings mean?

The prefix usually indicates the basic type of bearing, and the suffix is used to indicate the specific characteristics of the bearing, such as sealing form, clearance size, etc.

References

1.IKO Nippon Toki Ko Co., Ltd. official website. (n.d.). Retrieved from https://www.ikont.co.jp
2.SKF Bearing Product Manual. (n.d.). Retrieved from https://www.skf.com
3.TIMKEN Bearing Product Manual. (n.d.). Retrieved from https://www.timken.com
4.NSK Bearing Product Manual. (n.d.). Retrieved from https://www.nsk.com
5.NTN Bearing Product Manual. (n.d.). Retrieved from https://www.ntn.co.jp