Ball and Roller Bearings - Ntn-snr.com

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Four-Row Cylindrical Roller Bearings C1 C1 r r1 r r1 B1 B1 D d FW D d FW d 200300mm Drawing 1 Drawing 2 Boundary dimensions Basic load ratings dynamic static dynamic static mm kN kgf 1 1 d D B 1 C 1 r s min r 1s min C r C or C r C or 200 210 220 230 240 250 260 270 280 290 300 290 192 192 2.5 2.5 1,290 3,150 132,000 320,000 320 216 216 3 3 1,750 3,650 179,000 375,000 290 192 192 2.5 2.5 1,230 3,350 126,000 340,000 290 192 192 2.5 2.5 1,190 3,350 122,000 340,000 300 160 160 2.5 2.5 1,000 2,590 102,000 264,000 310 192 192 2.5 2.5 1,390 3,400 141,000 350,000 310 204 204 2.5 2.5 1,420 3,750 144,000 385,000 310 215 215 2.5 2.5 1,530 3,750 156,000 380,000 310 225 225 2.5 2.5 1,480 3,950 151,000 405,000 310 265 265 2.5 2.5 1,630 4,500 167,000 460,000 320 160 160 3 3 1,190 2,550 121,000 260,000 320 210 210 2.5 2.5 1,550 3,650 158,000 370,000 330 206 206 2.5 2.5 1,520 3,800 155,000 385,000 340 260 260 3 3 2,050 5,100 209,000 520,000 330 220 220 3 3 1,490 4,150 152,000 420,000 340 220 220 3 3 1,670 4,200 170,000 425,000 360 220 220 2.5 2.5 1,760 4,050 179,000 415,000 350 220 220 3 3 1,730 4,300 176,000 440,000 370 220 220 3 3 1,760 4,450 179,000 455,000 380 280 280 3 3 2,420 6,250 247,000 635,000 380 280 280 2.5 2.5 2,580 6,850 263,000 700,000 390 220 220 3 3 1,780 4,650 181,000 475,000 390 275 275 2.5 2.5 2,290 6,250 233,000 635,000 420 280 280 4 4 2,430 6,150 248,000 630,000 410 240 240 3 3 2,240 5,550 228,000 565,000 420 300 300 3 3 2,830 7,500 288,000 765,000 400 300 300 3 3 2,480 7,500 253,000 765,000 420 240 240 3 3 2,020 5,450 206,000 555,000 420 300 300 3 3 2,720 7,600 278,000 775,000 420 300 300 3 3 2,900 7,850 295,000 800,000 1 Minimal allowable dimension for chamfer dimension r or r1. 2 Oil groove and oil inlet are in center of outer ring. 3 Oil groove and oil inlet not on outer ring spacer. B-122
Four-Row Cylindrical Roller Bearings Bearing Dimensions Drawing Mass numbers no. F w approx. 4R4041 226 1 42.5 4R4028 231 1 67 4R4206 236 1 39.5 4R4413 239 1 33.8 4R4419 245 1 32.8 4R4426 246 1 46.9 4R4425 247 1 49.8 4R4420 242 1 51.5 4R4416 245 1 54.9 4R4430 245 1 63.5 4R4428 245 1 46.5 4R4429 248 1 60.5 4R4614 258 1 58.6 4R4611 261 1 82.6 4R4811 270 1 2 56.8 4R4806 268 1 63.6 4R4807 274 1 79.6 4R5008 278 1 66 4R5217 292 1 76.5 4R5213 294 1 109 4R5405 299.7 2 3 105 4R5611 312 1 81.3 4R5612 312 1 105 4R5605 323 1 139 4R5806 320 1 103 4R5805 327 1 141 E-4R6014 328 1 104 E-4R6017 334 1 106 E-4R6015 334 1 125 E-4R6020 332 2 130 Note: Drawing 1 represents a bearing with solid rollers and machined cage; Drawing 2 represents a bearing with hollow rollers and pin type cage. B-123
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For New Technology Network R corpor
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Warranty NTN warrants, to the origi
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TECHNICAL DATA CONTENTS 1. Classifi
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Classification and Characteristics
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Bearing Selection Select bearing’
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Bearing Selection 2.3 Selection of
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Load Rating and Life 3. Load Rating
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Load Rating and Life where, Lna : A
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Bearing Load Calculation 4. Bearing
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Bearing Load Calculation 4.1.2 Chai
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Bearing Load Calculation 4.4 Equiva
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Bearing Load Calculation 4.5 Allowa
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Bearing Load Calculation Fr2 70 K
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Boundary Dimensions and Bearing Num
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Boundary Dimensions and Bearing Num
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Bearing Tolerances Table 6.3 Tolera
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Bearing Tolerances 6.2 Chamfer meas
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Bearing Tolerances 6.3 Bearing tole
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Bearing Fits 7.3.2 Recommended Fits
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Bearing Fits Table 7.2 (3) Housing
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Bearing Fits Table 7.5 Numeric valu
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Bearing Fits Table 7.6 Fits for inc
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Bearing Internal Clearance and Prel
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Allowable Speed 9. Allowable Speed
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Lubrication 11. Lubrication 11.1 Lu
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Lubrication (1) Base oil Natural mi
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Lubrication 11.4 Solid grease (For
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Lubrication Bearing operating Lubri
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External bearing sealing devices 12
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External bearing sealing devices Ty
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Bearing Materials 13.2 Cage materia
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Shaft and Housing Design 14.2 Beari
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Bearing Handling 15. Bearing Handli
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Bearing Handling a) Installation on
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Bearing Handling 15.4 Post installa
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Bearing Handling Fig. 15.24 shows t
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Bearing Damage and Corrective Measu
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Technical Data Axial displacement m
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Technical Data 17.4 Fitting surface
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A-100
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INDEX OF BEARING TABLES Deep Groove
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Deep Groove Ball Bearings Open type
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Deep Groove Ball Bearings bearing i
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Deep Groove Ball Bearings D D1 rN r
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Deep Groove Ball Bearings Equivalen
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Expansion Compensating Bearings Da
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Miniature and Extra Small Bearings
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Miniature and Extra Small Ball Bear
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Angular Contact Ball Bearings Angul
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Angular Contact Ball Bearings 2. St
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Single and Duplex Arrangements Db r
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High Speed Single and Duplex Arrang
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Ultra-High Speed Angular Contact Ba
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B-67
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Ceramic Ball Angular Contact Ball B
Page 173 and 174: Four-Point Contact Ball Bearings QJ
Page 175 and 176: Double Row Angular Contact Ball Bea
Page 177: Double Row Angular Contact Ball Bea
Page 180 and 181: Self-Aligning Ball Bearings B r ra
Page 186 and 187: Adapters (for self-aligning ball be
Page 188 and 189: Adapters (for self-aligning ball be
Page 191 and 192: Cylindrical Roller Bearings Cylindr
Page 193 and 194: Cylindrical Roller Bearings 2. Stan
Page 195 and 196: Cylindrical Roller Bearings ra r1a
Page 213 and 214: L Type Loose Rib B2 B2 r1 r1 B1 d d
Page 215 and 216: L Type Loose Rib B2 B2 r1 r1 B1 d d
Page 217 and 218: Multi-Row Cylindrical Roller Bearin
Page 223: Four-Row Cylindrical Roller Bearing
Page 227 and 228: Four-Row Cylindrical Roller Bearing
Page 229 and 230: Four-Row Cylindrical Roller Bearing
Page 231: Four-Row Cylindrical Roller Bearing
Page 234 and 235: Tapered Roller Bearings Table 1 (co
Page 236 and 237: Tapered Roller Bearings Inch Tapere
Page 238 and 239: Tapered Roller Bearings Inch Tapere
Page 240 and 241: Tapered Roller Bearings Metric syst
Page 258 and 259: Tapered Roller Bearings Inch system
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Tapered Roller Bearings Inch system
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Multi-Row Tapered Roller Bearings O
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Multi-Row Tapered Roller Bearings I
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Multi-Row Tapered Roller Bearings I
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Four Row Tapered Roller Bearings C2
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Spherical Roller Bearings 1. Types,
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Spherical Roller Bearings 5. Adapte
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Spherical Roller Bearings ra Da ra
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Adapter (For spherical roller beari
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Adapter (For spherical roller beari
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Withdrawal Sleeves (For spherical r
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Double Row Angular Contact Thrust B
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Double Row Angular Contact Thrust B
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High Speed Duplex Angular Contact T
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High Speed Duplex Angular Contact T
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Self-Aligning Roller Thrust Bearing
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Locknuts, Lockwashers & Lockplates
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Locknuts Reference withdrawal sleev
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Locknuts Reference bore no. 3 locko
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Nuts Reference withdrawal sleeve no
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Lockwashers Series AW ƒ r2 B2 ƒ1
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Lockwashers Series AWL ƒ r2 B2 ƒ
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Catalog List & Appendix Table
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Catalog List CATALOG TITLES CATALOG
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Appendix Table SI-customary unit co
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