NTN 7213C DB bearing

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Ball and Roller Bearings

NTN does not warrant (a) any product, components or parts not manufactured by NTN, (b) defects caused by failure to provide a suitable 4. Tapered bore bearings. 5. Remarks. Reference page. For DB and DF arrangement. For DB arrangement. For duplex arrangement. NU, N type. NJ, NF type. NUP, NP, NH type. Human services...

Main Spindle Bearings NTN Global

preload and clearance. For this reason, combine only duplex bearings of the same product number. ⑦ Duplex angular contact ball bearings. DB duplex 53.0. 40.0. 5 400. 4 100. 21.6 2 200. 14.5 11 400. 14 700. 7212C. 60. 110. 22. 1.5. 1. 64.0. 49.5. 6 550. 5 050. 26.1 2 660. 14.5 10 200. 13 200. 7213C. 65. 120. 23. 1.5. Human services...

Precision Rolling Bearings NTN SNR

postassembly preloads are summarized in Table 4.1. 4. Allowable Speed. Table 4.1 Speed factor by bearing arrangement and preload. Matching. DB. DBT 53.0. 40.0. 5 400. 4 100. 21.6 2 200. 14.5 11 400. 14 700. 7212C. 60. 110. 22. 1.5. 1. 64.0. 49.5. 6 550. 5 050. 26.1 2 660. 14.5 10 200. 13 200. 7213C. 65. 120. 23. Human services...

Ball and Roller Bearings

NTN does not warrant (a) any product, components or parts not manufactured by NTN, (b) defects caused by failure to provide a suitable 4. Tapered bore bearings. 5. Remarks. Reference page. For DB and DF arrangement. For DB arrangement. For duplex arrangement. NU, N type. NJ, NF type. NUP, NP, NH type. Human services...

Single and Duplex Angular Contact Ball Bearings NTN Global

For single and DT arrangement,. When Por<Fr use Por=Fr. 30˚. Xo. 40˚. 0.5. 0.5. Yo. Xo. Yo. 0.33. 0.26. 1. 1. 0.66. 0.52. Con tact angle. Con tact angle. Single, DT. DB, DF. Basic load ratings. Limiting speeds1). Bearing numbers2). Abutment and fillet dimensions dynamic static dynamic static. (duplex). (duplex). (duplex). Human services...

Precision Rolling Bearings NTN

Therefore, this criterion applies only when the fit surface has a width sufficient as a reference face. 3 When determining a tolerance for permissible form accuracy, the reference dimensions used are shaft diameters da and db. For example, when using a JIS class 5 bearing for a dia. 50 mm shaft, the tolerance of roundness is Human services...

BALL AND ROLLER BEARINGS NTN Bearing

ity and extra capacity. There are three fundamental combinations in duplex bearings: facetoface (DF), backtoback (DB), and tan dem (DT). DF. DB. DT. SINGLE DIRECTION THRUST BEARINGS consist of two washers having ball grooves ground into their adja cent faces with balls and cages mounted between these. Human services...

Precision Rolling Bearings NTN

Therefore, this criterion applies only when the fit surface has a width sufficient as a reference face. 3 When determining a tolerance for permissible form accuracy, the reference dimensions used are shaft diameters da and db. For example, when using a JIS class 5 bearing for a dia. 50 mm shaft, the tolerance of roundness is Human services...

Ball and Roller Bearings Rolespinho

notification, NTN will, at its option, (a) correct any failure of the product to conform to drawings, specifications or any defect in material or 4. Tapered bore bearings. 5. Remarks. Reference page. For DB and DF arrangement. For DB arrangement. For duplex arrangement. NU, N type. NJ, NF type. NUP, NP, NH type. Human services...

Precision Rolling Bearings NTN SNR

postassembly preloads are summarized in Table 4.1. 4. Allowable Speed. Table 4.1 Speed factor by bearing arrangement and preload. Matching. DB. DBT 53.0. 40.0. 5 400. 4 100. 21.6 2 200. 14.5 11 400. 14 700. 7212C. 60. 110. 22. 1.5. 1. 64.0. 49.5. 6 550. 5 050. 26.1 2 660. 14.5 10 200. 13 200. 7213C. 65. 120. 23. Human services...

NTN Catalog

DB: Duplex pair, back to back mounting. DF: Duplex pair, face to face mounting. DT: Duplex pair, tandem mounting. G: Single bearings, flush ground universal 0.89 14,400 11,100 9,700 13,000. 1.66. 7,700 10,000. 60. 110. 22. 1.5. 1.0. 22.5. 7213C. 2.5591 4.7244 0.9055 0.059 0.039. 0.94 15,700 12,300 9,000 12,000. Human services...

Frequently Asked Questions NTN Bearing

What is the nomenclature for Precision Bearings (P4, P5, Tolerances); What is the difference between T D1 or what is the designation for an oil hole . Paired arrangements for angular contact bearings are designated as “D2” (universal flush ground pair), “DB” (matched backtoback pair), “DF” (matched facetoface Human services...

Ball and Roller Bearings Rolespinho

notification, NTN will, at its option, (a) correct any failure of the product to conform to drawings, specifications or any defect in material or 4. Tapered bore bearings. 5. Remarks. Reference page. For DB and DF arrangement. For DB arrangement. For duplex arrangement. NU, N type. NJ, NF type. NUP, NP, NH type. Human services...

NTN Catalog

DB: Duplex pair, back to back mounting. DF: Duplex pair, face to face mounting. DT: Duplex pair, tandem mounting. G: Single bearings, flush ground universal 0.89 14,400 11,100 9,700 13,000. 1.66. 7,700 10,000. 60. 110. 22. 1.5. 1.0. 22.5. 7213C. 2.5591 4.7244 0.9055 0.059 0.039. 0.94 15,700 12,300 9,000 12,000. Human services...

NTN Ball Screw Support Bearings

2ABST LXL type. DB. DBT. DTBT. Fig. 13.1. Fig. 13.2 Bearing arrangement. Table 13.1 Bearing types. 3. Longlife special grease is used. (Lightcontact seal type). 4. Unique surface modification technique against bearing rings and special grease reduce fretting (15 or less for sliding mode, 110 or less for rolling mode,. Human services...

NTN Main Spindle Bearings

NTN Main Spindle Bearings. 59. 5S 2LAHSE 0 20 AD DB GL P4. HSE type. Contact angle code. C: 15˚, AD: 25˚, No symbol: 20˚. Bore diameter number (See dimension table). Dimension series code. Bearing type. 2LA:Special material with improved surface treatment. 5S 2LAHSL 0 20 DB +xx Dn GL P4 +TKZ. Human services...

Main Spindle Bearings NTN Global

preload and clearance. For this reason, combine only duplex bearings of the same product number. ⑦ Duplex angular contact ball bearings. DB duplex 53.0. 40.0. 5 400. 4 100. 21.6 2 200. 14.5 11 400. 14 700. 7212C. 60. 110. 22. 1.5. 1. 64.0. 49.5. 6 550. 5 050. 26.1 2 660. 14.5 10 200. 13 200. 7213C. 65. 120. 23. 1.5. Human services...