NU Concentric-LOC BALL BEARING UNITS

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1 NU Concentric-OC B BERING UNIT CTOG NO. EY INTTION HFT CONTCT TRUE CONCENTRIC OCK

The FYH NU-OC bearing grips the shaft more uniformly, which allows degrees

The roundness of the ball path on NU-OC bearings results in better operation

NU-OC concentric locking collars are designed to prevent shaft maring and

single standard hex head cap screw can be tightened quickly and easily.

2 The FYH NU-OC bearing grips the shaft more uniformly, which allows degrees of equalized locking contact. The roundness of the ball path on NU-OC bearings results in better operation and longer life. NU-OC concentric locking collars are designed to prevent shaft maring and burring. single standard hex head cap screw can be tightened quickly and easily. NU-OC bearings can replace either setscrew or eccentric locking collar inserts. NU-OC concentric locking collar with a single cap screw provides great holding power. The collar is installed over the slotted inner ring on the shaft concentrically

tandard hex head cap screw Concentric locking collar Grease nipple Grease hole Contact (or Non-contact) eal & linger Ball and cage The standard NU-OC series satisfies all the specifications of our

This series incorporates a C2 ball clearance which is more exacting than the standard style, and this allows for quieter operation and a considerable reduction of vibration.

Wide inner ring Housing (pillow-type) UFFIX P8 is the suffix code that designates smaller bore tolerance which allows for a tighter fit with the shaft.

3 tandard hex head cap screw Concentric locking collar Grease nipple Grease hole Contact (or Non-contact) eal & linger Ball and cage The standard NU-OC series satisfies all the specifications of our air handling series under the "" designation. This series incorporates a C2 ball clearance which is more exacting than the standard style, and this allows for quieter operation and a considerable reduction of vibration. The NU-OC series is a high-precision design and, while it is ideal for air handling applications, it is also excellent for many more highly demanding applications. Wide inner ring Housing (pillow-type) UFFIX P8 is the suffix code that designates smaller bore tolerance which allows for a tighter fit with the shaft. This, in turn, reduces vibration and noise and dramatically increases bearing life. P8 P C2 Nominal bearing bore dia. d () Tolerance and tolerance values of inner rings of P8 suffix (unit: μm) Variation of tolerance of average bore dia. in plane Δ dmp Unequal bore dia. in plane Vdp Radial runout of inner ring Over Incl. Max. Min. Max. Max Tolerance and tolerance values of inner rings of IO standard (unit: μm) Over Incl. Max. Min. Max. Max Nominal bearing bore dia. d () The anti-rotation pin, in conjunction with the standard J fit housing, means very secure housing fit in high speed applications. Internal bearing clearance is defined as the allowable space between the rolling elements and the raceways. C2 is smaller clearance than the standard, and it reduces the noise and vibration in high speed applications. Variation of tolerance of average bore dia. in plane Δ dmp Unequal bore dia. in plane Vdp Kia 8 Radial runout of inner ring Kia 8

Pillow type units NU-OC NCP d ~ B N φd φd H2 N H H J haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. inch d H J N N H H2 B d kg 2 9. 2 8 9 8 64 2. 2. 44. M NCP4 NCP-4.

4 Pillow type units NU-OC NCP d ~ B N φd φd H2 N H H J haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. inch d H J N N H H2 B d kg M NCP4 NCP-4. NCP M NCP P4 NC4-2 NC4.8 NC NCP- NC- NCP-6 NC NCP6 NC6 P M4 NCP6- NC6- P NC NCP6-8 NC6-8 NCP6- NC M4.. NCP- P NC NCP-22 NC-22 NCP P NC M4 NCP- NC NCP8-24 NC8-24 P M4 NCP8 NC M NCP9-26 P9 NC NCP9-2 NC9-2 NCP9-28 P9 NC M4 NCP9 NC NCP2- NC2- NCP2 P2 NC M6 2 NCP2-2 NC M6 NCP2-2 P2 NC NCP2 NC2 P M6 NCP2- NC M6 NCP22-6 P22 NC NCP22 NC22 P M6 NCP22-9 NC22-9

4 Round flange cartridge type units NU-OC NCFC d ~ B 4-φN φh φd φd φφj 2 J haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. inch d H J J N 2 4 B d kg 2.49 2 9.

5 4 Round flange cartridge type units NU-OC NCFC d ~ B 4-φN φh φd φd φφj 2 J haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. inch d H J J N 2 4 B d kg NCFC4-2 NC4-2 FC M NCFC4 NC4 NCFC-4 NC NCFC- NC- FC M NCFC NC NCFC-6 NC NCFC6-8 NC NCFC6 NC6 FC M NCFC6- NC6- NCFC6- NC M2 NCFC- FC NC- 2. NCFC NC-22 NCFC FC NC M2 NCFC- NC NCFC8-24 NC8-24 FC M2 NCFC8 NC M NCFC9-26 FC9 NC9-26. NCFC NC9-2 NCFC9-28 FC9 NC M4 NCFC9 NC9. NCFC NC2- NCFC2 FC2 NC M4 2 NCFC2-2 NC M6 NCFC2-2 FC2 NC NCFC2 NC2 FC M6 NCFC2- NC M6 NCFC22-6 FC22 NC NCFC22 NC22 FC M6 NCFC22-9 NC22-9 NCFCF (For U) is also available. Contact FYH for unit specifications.

6 Tapped-base pillow type units NU-OC NCP d ~ B φd φd H2 H 2-N J H haft Dia Dimensions Unit Housing Bearing Mass inch inch No. No. No. d H J N H2 H B d kg M NCP4 NCP-4. NCP M NCP P4 NC4-2 NC4. NC NCP- NC- NCP-6 NC NCP6 NC6 P M NCP6- NC6- P NC NCP6-8 NC6-8 NCP6- NC M NCP- P NC- 2. NCP-22 NC NCP P NC M NCP- NC NCP M NCP M NC8-24 P8 2.4 NC8 NCP9-26 P9 NC NCP9-2 NC NCP9-28 P9 NC M NCP9 NC9 2.6 NCP2- NC NCP2 P2 NC M NCP2-2 NC2-2.4

Tapped-base pillow type units NU-OC NCPN d ~ For U B φd φd H2 H J H 2-N haft Dia Dimensions Unit Housing Bearing Mass inch inch No. No. No. d H J N H2 H B d kg 2 9 2-6UNC 2 9. 6 2.8 64 2. 22 2. 2. 44.

7 Tapped-base pillow type units NU-OC NCPN d ~ For U B φd φd H2 H J H 2-N haft Dia Dimensions Unit Housing Bearing Mass inch inch No. No. No. d H J N H2 H B d kg UNC NCPN4 NCPN-4. NCPN4-2 PN4 NC4-2 NC4.8 NC UNC 2.6 NCPN- NC- PN NCPN NC NCPN-6 NC-6 2 NCPN6-8 NC6-8 -4UNC NCPN6 NC6 PN NCPN6- NC6- NCPN6- NC UNC NCPN- PN NC- 2. NCPN UNC 2 NC NCPN PN NC NCPN- NC-

8 quare four-bolt flange type units NU-OC NCF d ~ B 4-φN J φd φd J 2 haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. inch d J N 2 B d kg M NCF4 NCF-4. NCF M NCF F4 NC4-2 NC4. NC NCF- NC- NCF-6 NC NCF6 NC6 F M NCF6- NC6- F NC NCF6-8 NC6-8 NCF6- NC M2 4.. NCF- F NC-.8 NCF NC-22 NCF F NC M2 NCF- NC NCF M4 NCF M4 NC8-24 F8 NC NCF9-26 F9 NC NCF NC9-2 NCF9-28 F9 NC M4 NCF9 NC9 NCF2-.48 NC2- NCF2 F2 NC M4 2 NCF2-2 NC M6. NCF2-2 F2 NC NCF2 NC2 F M6 NCF2- NC M6 NCF22-6 F22 NC NCF22 NC22 F M6 NCF22-9 NC22-9

quare four-bolt flange type units NU-OC NCF-E d ~ B 4-φN J For U φd φd J 2 haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. inch d J N 2 B d kg 2 9. NCF4-2E 86. 64 4.8 2.

9 quare four-bolt flange type units NU-OC NCF-E d ~ B 4-φN J For U φd φd J 2 haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. inch d J N 2 B d kg 2 9. NCF4-2E NCF4E NCF M NCF F4E NC4-2 NC4. NC NCF- NC- NCF-6 NC NCF6E NC6 F6E NCF6-E NC6- F NC NCF6-8E NC6-8 NCF6-E NC NCF-E FE NC-.8 NCF-22E NC-22 NCFE FE NC NCF-E NC NCF8-24E NCF8E M4 NC8-24 F8E 2. NC8 NCF9-26 F9 NC NCF NC9-2 NCF9-28 F9 NC M4 NCF9 NC9 2.6 NCF NC2- NCF2 F2 NC M4 2 NCF2-2 NC NCF2-2E F2E NC NCF2E NC2 F2E NCF2-E NC NCF22-6E F22E NC NCF22E NC22 F22E NCF22-9E NC22-9

10 Oval tow-bolt flange type units NU-OC NCF d ~ B 2-φN φd φd 2 J H haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. inch d H J N 2 B d kg M NCF4 NCF-4. NCF M4 NCF F4 NC4-2 NC4.62 NC NCF- NC- NCF-6 NC NCF6 NC6 F M4 NCF6- NC6- F NC NCF6-8 NC6-8 NCF6- NC M4.84. NCF- F NC-. NCF NC-22 NCF F NC M4 NCF- NC NCF M4 NCF M6 NC8-24 F8 2. NC8 NCF9-26 F9 NC NCF NC9-2 NCF9-28 F9 NC M6 NCF9 NC9 NCF2-.48 NC2- NCF2 F2 NC M6 2 NCF2-2 NC M6 2.8 NCF2-2 F2 NC NCF2 NC2 F M6 NCF2- NC M NCF22-6 F22 NC NCF22 NC22 F M NCF22-9 NC22-9

11 Oval tow-bolt flange type units NU-OC NCF-E d ~ For U B 2-φN φd φd 2 J H haft Dia Dimensions Bolt Unit Housing Bearing Mass inch inch ize No. No. No. d H J N 2 B d inch kg NCF4-2E NC4-2 F4E NCF4E NC4 2.6 NCF-E NC NCF-4E NC-4 NCFE NCF-6E NC NCF6E NC6 F6E NCF6-E NC6- FE NC NCF6-8E NC6-8 NCF6-E NC NCF-E FE NC-. NCF-22E NC NCFE FE NC NCF-E NC NCF8-24E NC8-24 F8E NCF8E NC NCF9-26E F9E NC NCF9-2E NC NCF9-28E F9E NC NCF9E NC9 2. NCF2-E NC NCF2E F2E NC NCF2-2E NC NCF2-2E F2E NC NCF2E NC2 9 F2E NCF2-E NC NCF22-6E F22E NC NCF22E NC22 9 F22E NCF22-9E NC22-9

12 Take-up type units NU-OC NCT d ~ B φd φdh H H2 N2φN 2 N 2 haft Dia Dimensions Unit Housing Bearing Mass inch inch No. No. No. d 2 H H H2 2 N N N2 B d kg NCT4-2 NC4-2 T NCT4 NC NCT- NC NCT NCT-4 NC-4 NCT-6 NC NCT6 NC6 T NCT6- NC6- T NC NCT6-8 NC6-8 NCT6- NC NCT- T NC-.9 NCT NC NCT T NC NCT- NC NCT8-24 NC8-24 T NCT8 NC NCT9-26 T9 NC NCT NC NCT9-28 T9 NC NCT9 NC9 2.8 NCT NC NCT2 T2 NC NCT2-2 NC NCT2-2 T2 NC NCT2 NC2 T NCT2- NC NCT22-6 T22 NC NCT22 NC22 T NCT22-9 NC22-9

Take-up type units NU-OC NCT-E d ~ B For U φd φdh H H2 N2φN 2 N 2 haft Dia Dimensions Unit Housing Bearing Mass inch inch No. No. No. d 2 H H H2 2 N N N2 B d kg 2 2 2 9. NCT4-2E NC4-2 T4E 2. 2 89 6.

13 Take-up type units NU-OC NCT-E d ~ B For U φd φdh H H2 N2φN 2 N 2 haft Dia Dimensions Unit Housing Bearing Mass inch inch No. No. No. d 2 H H H2 2 N N N2 B d kg NCT4-2E NC4-2 T4E NCT4E NC NCT-E NC NCTE NCT-4E NC-4 NCT-6E NC NCT6E NC6 T6E NCT6-E NC6- TE NC NCT6-8E NC6-8 NCT6-E NC NCT-E TE NC-.9 NCT-22E NC NCTE TE NC NCT-E NC NCT8-24E NC8-24 T8E NCT8E NC NCT9-26E T9E NC NCT9-2E NC NCT9-28E T9E NC NCT9E NC9 2.8 NCT2-E NC NCT2E T2E NC NCT2-2E NC NCT2-2E T2E NC NCT2E NC2 T2E NCT2-E NC NCT22-6E T22E NC NCT22E NC22 T22E NCT22-9E NC22-9

14 Ball bearing inserts NU-OC NC d ~ B C Ca φd φd r φd haft Dia Dimensions Basic Factor Bearing Collar Dimensions Cap screw Mass inch inch oad Ratings No. No. inch kn inch d D B C r Cr Cor f Ca d kg NC4-2 UC4B No.8-2UNC NC4 UC4B M4. NC-4 UC No.8-2UNC NC- UC No.8-2UNC NC UC M4. NC-6 UC No.8-2UNC NC6-8 UC6 No.8-2UNC NC6 UC M NC6- UC No.8-2UNC NC6- UC6 No.8-2UNC NC- UC No.-24UNC NC-22 UCB No.-24UNC NC UCB M NC- UCB No.-24UNC NC8-24 UC No.-24UNC NC8 UC M NC9-26 UC9 No.-24UNC NC9-2 UC9B No.-24UNC NC9-28 UC9B No.-24UNC NC9 UC9B M.8 NC2- UC2 -UNC NC2 UC2 M NC2-2 UC2 -UNC NC2-2 UC2 -UNC NC2 UC2B M NC2- UC2B UNC NC22-6 UC22-8UNC NC22 UC22B M NC22-9 UC2B UNC

15 Ball bearing inserts NU-OC ERC d ~ Cc r C B f a r φd φd r φd φd2 haft Dia Dimensions Bearing Mass inch No. d D C r r (min) Cc a f D2 inch inch inch inch inch inch inch inch kg ERC4-2 ERC4.6 ERC-4 ERC ERC ERC-6 ERC6-8 ERC ERC6-. ERC ERC-.9 ERC ERC.9 ERC- ERC ERC ERC9-26. ERC ERC9-28. ERC9 ERC ERC2.6 2 ERC ERC2-2.8 ERC ERC ERC ERC ERC22-9 Note : ee NC insert series for additional dimensions.

NU Concentric Cap crew Tightening Torque haft Dia Bearing Collar Cap screw Recoended Torque inch No. No. d inch Foot bs. Inch bs. N m NU4-2 UC4B No.8-2UNC NU4 UC4B M4. NU-4 UC No.8-2UNC NU- UC No.

-24UNC NU8 UC8 M.8. 8. 9 99.2.2 NU9-26 UC9 No.-24UNC NU9-2 UC9B No.-24UNC NU9-28 UC9B No.-24UNC NU9 UC9B M.8 NU2- UC2 -UNC NU2 UC2 M6 2 NU2-2 UC2 -UNC 2 NU2-2 UC2 -UNC. 4. 2.6.4 NU2 UC2B M6 2 NU2- UC2B -UNC 2 NU22-6 UC22-8UNC NU22 UC22B M8.

16 NU Concentric Cap crew Tightening Torque haft Dia Bearing Collar Cap screw Recoended Torque inch No. No. d inch Foot bs. Inch bs. N m NU4-2 UC4B No.8-2UNC NU4 UC4B M4. NU-4 UC No.8-2UNC NU- UC No.8-2UNC NU UC M NU-6 UC No.8-2UNC NU6-8 UC6 No.8-2UNC NU6 UC6 M4. NU6- UC6 No.8-2UNC NU6- UC6 No.8-2UNC NU- UC No.-24UNC NU-22 UCB No.-24UNC NU UCB M.8 NU- UCB No.-24UNC NU8-24 UC8 No.-24UNC NU8 UC8 M NU9-26 UC9 No.-24UNC NU9-2 UC9B No.-24UNC NU9-28 UC9B No.-24UNC NU9 UC9B M.8 NU2- UC2 -UNC NU2 UC2 M6 2 NU2-2 UC2 -UNC 2 NU2-2 UC2 -UNC NU2 UC2B M6 2 NU2- UC2B -UNC 2 NU22-6 UC22-8UNC NU22 UC22B M NU22-9 UC2B -8UNC NIPPON PIOW BOCK CO., TD. HED OFFICE/Main Plant 6 Hirao Miharaku akai Osaka 8-22 JPN TE: FX: info@fyhbearings.com E exports@fyh.co.jp FYH BERING UNIT U INC. FYH Drive Huntley, Illinois 42, U TE: FX: sales@fyhusa.com 2.

MOUNTED BEARING UNITS

MOUNTED BEARING UNITS MOUNTED ERING UNIT NIPPON PILLOW LOCK CO., LTD. CT.NO. fyhbea rin NIPPON PILLOW LOCK CO., LTD. g HED OFFICE om s.c Hirao Mihara-ku akai Osaka - Japan TEL: +--- FX: +---4 www.fyhbearings.com E-mail: info@fyhbearings.com